Planter

Planter (pronounced plahn-tah (U) or plan-ter (non-U))

(1) A person who plants (usually seedlings, shrubs etc).

(2) An implement or machine for planting seeds, seedlings etc in the soil.

(3) The owner or manager of a plantation.

(4) In historical use, during the era of European colonialism, a colonist or new settler.

(5) In historical use, any of the early English or Scottish settlers, given the lands of the dispossessed Irish populace during the reign of Elizabeth I (1533–1603; Queen of England & Ireland 1558-1603).

(6) A decorative container, in a variety of sizes and shapes, used usually for growing flowers or ornamental plants.

(7) In the slang of law enforcement and the criminal class, an individual (from either group) who “plants” incriminating evidence for various purposes.

1350–1400: From the late fourteenth century Middle English plaunter (one who sows seeds), an agent noun from the verb plant, the construct being plant + -er.  Plant was from the Middle English plante, from the Old English plante (young tree or shrub, herb newly planted), from the Latin planta (sprout, shoot, cutting) while the broader sense of “any vegetable life, vegetation generally” was from the Old French plante.  The verb was from the Middle English planten, from the Old English plantian (to plant), from the Latin plantāre, later influenced by Old French planter.  Similar European forms meaning “to plant” included the Dutch planten, the German pflanzen, the Swedish plantera and the Icelandic planta.  The use of “plant” to describe heavy machinery and equipment emerged in the mid-nineteenth century, based on the ideas of something being “planted” in place and immovable (like a planted tree).  As technology evolved, use extended to non-static equipment such as heavy earth moving vehicles but the exact definition now differs between jurisdictions, based variously on purchase price, function etc although the aspect of most practical significance is often the threshold to qualify for certain taxation advantages such as accelerated depreciation.  The –er suffix was from the Middle English –er & -ere, from the Old English -ere, from the Proto-Germanic -ārijaz, thought most likely to have been borrowed from the Latin –ārius where, as a suffix, it was used to form adjectives from nouns or numerals.  In English, the –er suffix, when added to a verb, created an agent noun: the person or thing that doing the action indicated by the root verb.   The use in English was reinforced by the synonymous but unrelated Old French –or & -eor (the Anglo-Norman variant -our), from the Latin -ātor & -tor, from the primitive Indo-European -tōr.  When appended to a noun, it created the noun denoting an occupation or describing the person whose occupation is the noun.  Planter is a noun; the noun plural is planters.

Planters (with plants) at the main entryway to Lindsay Lohan's house, Venice, Los Angeles, California, 2013.

The figurative sense of “one who introduces, establishes, or sets up” dates from the 1630s, picked up a decade later to refer to “one who owns a plantation, the proprietor of a cultivated estate in West Indies or southern colonies of North America” although in the latter case it was literally the “planting of seeds” for cropping rather than the idea of planting the “seeds of civilization”, a notion which for centuries appealed to the defenders of European colonialism and echoes of this attitude are heard still today.  The mechanical sense of a “tool or machine for planting seeds” is by 1850 dates from the 1850s.  The “planter’s punch” was a cocktail mixed with Jamaican rum, lime juice and sugar cane juice; first mentioned in the late nineteenth century it fulfilled a similar role to the gin & tonic (G&T) under the Raj.  The now familiar use to describe a “pot for growing plants” is a surprisingly late creation, apparently named only in 1959 although such devices obviously had been in use for centuries, such as the “window box” attached to the sills outside windows in which folk grew either something decorative (flowers) or useful (herbs or miniature vegetables).  The form “window box planter” is now used in commerce; something which seems a needless addition.  A church planter (also as churchplanter) describes a missionary, preacher or organization which travels to establish a church in a place where no congregations of the relevant denomination exist.  The tactic is most associated with Evangelical Christianity.  In Cebuano (an Austronesian language spoken in the southern Philippines), as a back-formation from planteran, planter is used as a noun to mean “a frame-up; a false incrimination of an innocent person”.  The Cebuano verb planteran was also from the English plant and was used to mean “to arrange fraudulent evidence to falsely implicate someone in the commission of a crime”.  An often un-mentioned aspect in the career of Neville Chamberlain (1869–1940; UK prime-minister 1937-1940) was his early career as a planter.  Dispatched by his father Joseph Chamberlain (1836–1914) to establish a sisal plantation on Andros Island in the Bahamas, the younger Neville proved a tough imperial pioneer, toiling for some six years in the Caribbean but the climate was uncooperative and the soil proved no more receptive to Neville's attempts at appeasement than would Adolf Hitler (1889-1945; Führer (leader) and German head of government 1933-1945 & head of state 1934-1945) two generations later.  The sisal project ended in failure with the family fortune suffering a loss equivalent (in 2024 values) to some US$8-9 million.

Bollards, raw and disguised.

Dealing with terrorism is of necessity a reactive business and in Western cities, bollards appeared sometimes within hours of news of the use of motor vehicles somewhere as an instrument of murder, either as a delivery system for explosives or brute-force device to run down pedestrians.  Because of the haste with which the things were deemed needed, it wasn’t uncommon for bollards initially to be nothing but re-purposed concrete blocks (left), often not even painted, the stark functionality of purpose limited to preventing vehicular access which permitting those on foot to pass with minimal disruption.  They’ve since become a fixture in the built environment, often is stylized shapes (centre & right) and urban designers have been inventive, many objects which function as bollards not recognizably bollardesque, being integrated into structures such as city furniture or bus shelters.

Bollards disguised as planters.

Urban planners have however responded and the large-scale planter box, which had for some time been a familiar sight in cityscapes, has proved adaptable, able to be shaped and placed in a way which obviates the need for conventionally shaped bollards.  Where the space is available, even small green spaces can be installed and, with integrated drip-feed irrigation systems, maintenance is low, an additional benefit being the lowering of temperature in the immediate environment, the foliage reducing radiated heat.  One popular feature of the big planter boxes in many cities is that they include built-in benches on which people can sit, something seen in squares, malls and plazas.  Not all support this however.  Retailers think people should be in such places only to shop and giving them somewhere to sit makes them for the time they spend unproductively inert not able to go to shops and spend money.  There’s also the view such things attract an anti-social element who loiter with nefarious intent and there is still a view by some in authority (based apparently on some English case-law from the 1960s) that in public spaces, while people have the right to walk up and down, there’s no right to stay in the one place, sitting or standing.  So, planters with seating presumably are provided on a case-by-case basis: in nice respectable suburbs which are well-policed, planters have comfortable seats in the shade while in low income areas where the police appear only to respond to murders, serious assaults, armed robbery etc, the built environment is designed in such as way that to sit anywhere is either uncomfortable or impossible.

Planters with an integrated bench on which people can sit are a feature of the street architecture in Canberra, Australia.  Pictured here are several on Lonsdale Street, Braddon.

However, even when planters offer a comfortable spot on which to rest, dangers lurk, especially if one is at the time tired and emotional or at least a bit squiffy.  Shortly before midnight on 8 February 2024, the honourable Barnaby Joyce MP (b 1967; thrice (between local difficulties) deputy prime minister of Australia 2016-2022) was observed sprawled on the sidewalk mumbling obscenities into his phone, having fallen from the planter where he’d paused to gather his thoughts.  The planter sits on Lonsdale Street in the Canberra suburb of Braddon, a short distance from a bar popular with politicians.  The Daily Mail published footage of the remarkable scene, the highlight in some ways being the conversation the former deputy prime-minister was having with his wife, the lucky soul who captured the scene reporting the uttering of “dead fucking cunt” (the phrase a not infrequently ejaculated part of idiomatic Australian English).

Vikki Campion (b 1985) and Barnaby Joyce (b 1967) on their wedding day, 11 November 2023.  In a nice touch, the couple's two children were able to witness the ceremony.

In answer to enquiries from the Daily Mail (past masters at identifying those “tired and emotional”), Mr Joyce’s wife confirmed she was the interlocutor and her husband was referring not to her as a “dead fucking cunt” but was “…calling himself one.”  “He likes to self flagellate” she added.  She further observed it was disappointing that rather than offering assistance to someone sprawled on the ground in the dead of night, someone would instead film the scene but the witness confirmed Mr Joyce seemed “relaxed & happy”, in no obvious distress and conducting his phone call calmly, using the wide vocabulary which has helped make him a politician of such renown.  Responding later to an enquiry from the Daily Mail, Mr Joyce admitted the incident was “very embarrassing” and that had he known “…someone was there with a camera, I would have got up quicker.”  Explaining the event, he told the newspaper: “I was walking back to my accommodation after parliament rose at 10 pm.  While on the phone I sat on the edge of a planter box, fell over, kept talking on the phone, and very animatedly was referring to myself for having fallen over.  I got up and walked home.”  Commendably, Mr Joyce seems to have made no attempt to blame the planter box for what happened but a Murdoch outlet did report that "...privately he was telling friends he was taking medication you cannot drink alcohol with and that was the cause of the incident".  Left unexplored by Sky News was whether that implied (1) knowing that, he hadn't taken any alcohol that day and the episode was induced by a reaction to the medicine or (2) he had taken a quantity of alcohol and the episode was induced by the combination of strong drink and the pharmaceuticals.  He later clarified things, confirming the latter, after which he announced he was "giving up alcohol for Lent".

The honourable Barnaby Joyce MP, Lonsdale Street, Canberra ACT, February 2024.

The morning after the night before, the planter box's 15 minutes of fame was marked in an appropriately ephemeral way, a chalk outline added where the recumbent Mr Joyce continued his phone call.

Mr Joyce should be given the benefit of the doubt.  Perhaps recalling Lyndon Johnson’s (LBJ, 1908–1973; US president 1963-1969) observation of Gerald Ford (1913–2006; US president 1974-1977) as someone “so dumb he can’t fart and walk at the same time” (sanitized by the press for publication as “chew gum and walk at the same time”), Mr Joyce may have thought it wise to sit on the planter while making his call.  Unfortunately, when one is tired and emotional, the challenge of using one’s phone, even if one sits a planter, can be too much and one topples to the ground, a salutatory lesson for all phone users.  

Dr Rudd sitting in a pew during the ecumenical church service marking the start of the parliamentary year, Canberra, February, 2008.

Among serious & cynical observers of politics (the adjectival tautology acknowledged), the consensus seems to be this latest incident in Mr Joyce's eventful life will prove beneficial and he'll likely increase his majority at the next election, the rationale for that being politicians tend to benefit from being seen as “authentic” and few things seem more authentically Australian than going to a bar, spending a few hours giving it a nudge, then falling off a planter box on the way home.  People can identify with that in a way something like the essay discussing "faith in politics" and the example set by anti-Nazi preacher Dietrich Bonhoeffer (1906–1945) which Dr Kevin Rudd (b 1957; Australian prime-minister 2007-2010 & 2013) published in The Monthly (October 2006), just doesn't "cut through".  The essay was politely received as “earnest”, “thoughtful” and “worthy”, few apparently prepared to risk retribution by pointing out it was also derivative, taking 5000-odd words to say what had many times over the years already been said (which, in fairness, can be said of many works).  Still, it was shorter than might have been expected so there was that.  The sanctimony in the text would have surprised nobody but it was only after he was defenestrated by his colleagues that some, musing on the the policies his government implemented, decided to point out the hypocrisy of him asserting Christianity “must always take the side of the marginalised, the vulnerable and the oppressed” and that politicians should uphold “the values of decency, fairness and compassion that are still etched deep into our national soul”.  Mr Joyce's many and varied sins are (mostly) well documented and “ordinary Australians” (as politicians like to call us) seem still willing to extend to him the Christian virtue of forgiveness.  Of Dr Rudd, they probably prefer to try to forget.

Cad, Bounder & Rotter

Cad (pronounced kad)

(1) A local town boy or youth, as contrasted with a university or public school student.

(2) A man who behaves in a dishonorable or irresponsible way, especially towards women (now rare but not yet archaic). 

(3) A servant at a university or public school.

(4) In architecture and engineering, as CAD, the acronym for Computer Aided (or Assisted) Design.

(5) In medicine, as CAD, the acronym for Coronary Artery Disease.

(6) In computing, an abbreviation for the Ctrl+Alt+Del keyboard combination.

(7) In currency trading (ForEx), as CAD$, the code of the Canadian dollar

(8) In EU financial regulation as CAD1 & CAD2, the acronyms for Capital Adequacy Directives.

(9) A person who stood at the door of an omnibus to open and shut it, and to receive fares; bus conductor (UK archaic).

1730: A shortening of cadet, used originally of servants, later (1831) of town boys by students at Oxford and English public schools (though curiously, at Cambridge alone it meant "snob"), then "townsman" generally.  Between 1780-1790, it came to be adopted as a shortening of “caddie” (used to describe “a person who runs errands and does odd jobs”, a use thought of Scottish origin from the boys who carried clubs for golfers).  The Scots picked up caddie from the French cadet, from the dialectal capdet (chief, captain), from the Latin capitellum, diminutive of caput (head).  Cad seems, in the mid nineteen century (documented 1838-1868) also to have meant a "person lacking in finer feelings" but this use faded, replaced by other words as cad came to be applied mostly to upper class men behaving badly.  The related forms are caddish, caddishly & caddishness.

A CAD rendering (right) of Herbie, published on the GrabCAD Community site.  CAD (Computer Aided (or Assisted) Design) systems used to be the (very expensive preserve of architects and engineers, the most sophisticated systems usually maintained by corporations.  Now, thanks in part to open source software, professional quality CAD systems are available to hobbyists, used obten in conjunctions with 3D printers.

Bounder (pronounced boun-der)

(1) A person who is thought to have attempted, to have bounded to a higher social strata, often based on newly acquired wealth; social climber.

(2) A person, beast or thing that bounds.

(3) A dishonourable, morally reprehensible man (archaic, replaced by cad).

(4) That which limits; a boundary (technical use only).

1535–1545: Originally an English slang term applied to a “person of objectionable social behaviour”, it came by the late nineteenth century (attested 1882) to describe a “would-be stylish person”, a sense later extended to bounding (uninvited as it were) from a lower to higher social class to another), the implication being such social mobility is possible but depended on the bounder being accepted by the higher class.

The construct is bound + -er.  Bound is from the Middle English bound & bund (preterite) and bounden, bunden, ibunden & ȝebunden (past participle) from the Old English bund-& bunden (ġebunden) respectively.  The –er suffix is from the Middle English –er & -ere, from the Old English -ere, from the Proto-Germanic -ārijaz, thought likely a borrowing from the Latin ārius.  Use was reinforced by the synonymous but unrelated Old French –or & -eor (the Anglo-Norman variant was -our) from the Latin -(ā)tor, from the primitive Indo-European -tōr.

Rotter (pronounced rot-ah)

A person thoroughly bad, worthless, objectionable, unpleasant, or despicable.

1889: The construct is rot(t) + er.  Rot is from the Middle English rotten & roten from the Old English rotian (to rot, become corrupted, ulcerate, putrefy), from the Proto-Germanic rutāną (to rot).  The –er suffix is from the Middle English –er & -ere, from the Old English -ere, from the Proto-Germanic -ārijaz, thought likely a borrowing from the Latin ārius.  Use was reinforced by the synonymous but unrelated Old French –or & -eor (the Anglo-Norman variant was -our) from the Latin -(ā)tor, from the primitive Indo-European -tōr.  Since use was first documented in the late nineteenth century, meaning has never shifted from "person deemed objectionable on moral grounds".

In the hierarchy of linguistic moral disapprobation, rotter is handy because it condemns someone as unambiguously bad.  There are synonyms such as scamp, rascal or rogue which can be applied humorously or affectionately (though usually with a sympatric adjective) but a rotter is just bad.  This probably applies too to disparagements like blackguard, creep, villain & scoundrel but they do rely on some specific conduct to justify the appellation whereas a rotter can be thought a rotter for no particular reason; they’re just a rotter.

Cad, bounder or rotter?

Lindsay Lohan with notorious rotter Harvey Weinstein (b 1952).

Former US film producer, co-founder in 1979 of film & television production & distribution company Miramax and convicted sex offender Harvey Weinstein is probably regarded by most as having ticked all the cad, bounder & rotter boxes.  Opinions may vary on whether one label should be lent more emphasis than another but it doubtful many would think none are applicable.  

The word cad evolved in the British class system and once was a general cultural put-down, based on it being an earlier descriptor of the servant-class and thus carrying the implication of a lack of finer tastes or manners but other words proved more attractive for this and, by early in the twentieth century, cad had come to refer to a man who behaves in a dishonorable or irresponsible way, especially toward women.  The British class system’s put-downs however are in themselves nuanced, class-based things and the point about cad was it applied only to the well-bred, chaps aware of the gentlemanly codes, but who failed to live up to them.

Barnaby Joyce with his (now estranged) wife and four daughters.

There were thus no cads in the working class or the middle classes because, knowing no better, they couldn’t be blamed; they knew not what they did.  Those from the lower classes (and especially the aspirational middle-class) certainly could be bounders and anyone could be a rotter but to be a cad, one had to come from the upper strata.  The shift in meaning from earlier times was noted by Anthony West in his biography (Aspects of Life (1984)) of his father, HG Wells (1866–1946), a man of modest origins.  In the nineteenth century of Wells’ youth, a cad was “…a jumped-up member of the lower classes who was guilty of behaving as if he didn't know that his lowly origin made him unfit for having sexual relationships with well-bred women.”  Now, Wells would be called a bounder but not a cad.

The Honorable Barnaby Joyce (b 1967; variously thrice Deputy Prime-Minister of Australia (between local difficulties), 2016-2022), House of Representatives, Canberra ACT, Australia, 2018.  Definitely a cad but not a bounder and opinions will be divided on whether or not he's a rotter.  Some will be forever convinced while the more thoughtful might concede he was one of those chaps who "could be a bit of a rotter"

Spectrum condition: The redness in the face of the honourable Barnaby Joyce (b 1967; thrice (between local difficulties) deputy prime minister of Australia 2016-2022) is used by his colleagues to gauge where his state of mind lies in the adjectival progression of the plethoric (left), the more plethoric (comparative; centre) and the most plethoric (superlative; right).In mid 2024 Mr Joyce announced he'd given up alcohol, the abstinence inspired by an earlier "incident" in which he was filmed lying drunk on the footpath (sidewalk) next to a Canberra planter box, conducting a mumbled, expletive-laden conversation with his wife.  He said he'd since lost 15 kg (33 lb) and given up smoking (it not known if politicians lie about such claims).  Interestingly, political scientists seem generally to expect the well-publicized event (one of a number featuring Mr Joyce) would probably result in him increasing his margin at the next election (sprawled drunk in a city street making him "authentic" and "relatable").  When interviewed, the once "notorious drunkard" said: "Maybe at some stage I’ll have a beer again, but at the moment, nah".

Palindrome

Palindrome (pronounced pal-in-drohm)

(1) A word, line, verse, number, sentence, etc, reading the same backward as forward.

(2) In biochemistry, a region of DNA in which the sequence of nucleotides is identical with an inverted sequence in the complementary strand.

1638: From the Ancient Greek παλίνδρομος (palindromos) (running back again; recurring, literally “literally "a running back”) the construct being πάλιν (pálin) (again, back) + δρόμος (dromos) (direction, running, race, racecourse).  Pálin was from the primitive Indo-European kwle-i-, a suffixed form of the root kwel- (revolve, move round) (kw- becomes the Greek p- before some vowels.  The word palindrome was first published by Henry Peacham (1578-circa 1645) in The Truth of Our Times (1638).  Although derived from the Greek root palin + dromos, the Greek language uses καρκινικός (carcinic, literally “crab-like”) to refer to letter-by-letter reversible writing.  The related palinal (directed or moved backward, characterized by or involving backward motion) dates from 1888.  Palindrome & palindromist are nouns, palindromically is an adverb and palindromic an adjective.

The noun palinode (poetical recantation, poem in which the poet retracts invective contained in a former satire) dates from the 1590s and was from either the sixteenth century French palinod or the Late Latin palinodia, from the Greek palinōidia (poetic retraction), again from pálin; the related form were palinodical & palinodial.  The word palinode was sometimes applied to the apologia artists and others in the Soviet Union were compelled to publish, were they accused of formalism or something just as heinous.

Pierre Laval (1883–1945), the palindromic Prime Minister of France 1931-1932, 1935-1936 & de facto prime minister in the Vichy Government 1942-1944.  He was executed by a French firing squad in 1945.

Perhaps surprisingly, the longest known palindromic word is not German despite their fondness for lengthy compounds.  According to the Guinness Book of World Records the record is held by the 19 character saippuakivikauppias which is Finnish for “a travelling salesman who sells lye (caustic soda)”.  It’s said not often to come up in conversation and seems to exist only a curiosity used to list the world’s longest known palindrome.  In English, palindromes of a few characters are common but examples with more than seven letters are rare.  Tattarrattat, as it’s usually spelled, has 12 characters but it’s a bit of a fudge because it’s also an onomatopoeia so some lexicographers insist it doesn’t count.  Tattarrattat is the sound made by knocking on a door.  Also cheating but clever is the 11 letter aibohphobia meaning a fear of palindromes, the construct being the suffix -phobia + its reverse.  Adding to the charm is that it’s doubtless a non-existent condition, but it’s suspected there are a few of those in the literature of psychiatry.  From India, there's kinnikinnik, a smoking mixture of bark & leaves (but no tobacco.  English’s longest “real” palindrome appears to be detartrated, the past participle of detartrate (to remove tartrates (salts of tartaric acid), especially from fruit juices and wines, in order to reduce tartness or sourness).  Not only is it a real word but it describes a common process in the industrial production of foods and beverages.

Palindromic sentences are often created and these are judged not by length but by their elegance.  Leigh Mercer (1893–1977) was a word nerd and recreational mathematician who devised the classic "A man, a plan, a canal: Panama!" and this approach was in the 1980s taken to its logical extreme in two novels, Satire: Veritas (1980, 58,795 letters) by David Stephens and Dr Awkward & Olson in Oslo (1986, 31,954 words) by Lawrence Levine, both said to be palindromically perfect and wholly nonsensical.  Shorter but of admirable clarity are the many baptismal fonts in Greece and Turkey which bear the circular 25-letter inscription NIYON ANOMHMATA MH MONAN OYIN (Wash (my) sins, not only (my) face).  This appears also in several English churches.

Sixteenth century German "oath skull" on which defendants swore their oaths in the Vehmic courts (the Vehmgericht, Holy Vehme or Vehm, the alternative spellings being Feme, Vehmegericht & Fehmgericht), a tribunal system established in Westphalia during the late Middle Ages.

Created essentially because of the inadequacies of the official justice system, they're now often referred to as "proto-vigilante" courts but for centuries they filled a niche before they came increasingly to be associated with injustice and corruption before finally being abolished in 1811, a half-decade after the dissolution of the Holy Roman Empire, the source of their original authority.

The pattern on the skull was based on a multi-directional palindromic grid created by some word nerds in Ancient Rome.  Later re-discovered etched onto a wall in the doomed city of Herculaneum, it reads Sator Arepo Tenet Opera Rotas (The sower, Arepo, makes the wheel work) and it works whether read vertically, horizontally, or in the diagonal.  These types of palindromic squares are called pentacles and the SATOR was the most commonly found in the Western Esotericism of late antiquity.  They were used by Kabbalists, Gnostics, alchemists and other pre-medieval mystics in the creation of magic spells, amulets, potions etc and were thus often seen in the shops of apothecaries.

sator: sower/planter
tenet: he/she/they/it holds/has/grasps/possesses
opera: work/exertion/service
rotās: wheels

There has been speculation about the the meaning of this pentacle, some a little fanciful, but the consensus is things were made up just to fit, rather as "the quick brown fox jumps over the lazy dog" was coined to use each letter in the alphabet and "DICK HOOD DID EXCEED" serves no purpose other than to appear the same if inverted and viewed in a mirror.    

Desmodromic

Desmodromic (pronounced des-moh-drom-ick)

(1) In internal combustion engines, a valve drive-train in which poppet valves are positively closed by a cam and leverage system, rather than a conventional spring.

(2) By extension, in various mechanical devices, a component having different controls for its actuation in different directions.

1953:  A construct from the Ancient Greek δεσμός (desmós) (band, connection; fibrous connection, ligament; bond or knot) + δρόμος (drómos) (a course; travel; road).  The etymology is likely oblique to all but mechanical engineers but denotes the characteristic of valves continuously being "bound" to the camshaft.  The idea of desmo + dromic is thus often deconstructed as something like “running in unison” or “connected racing” but that’s because of the historic association with engines and speed and the desmo- prefix is also used in medicine and other biological sciences in the sense of “being or maintaining a connection”, a desmosome a filament-like substance with which cells adhere to each-other and desmoplakin" is the protein associated with this intercellular junction.  In zoology, the term most closely analogous to desmodromic valve trains is desmopelmous, a type of foot in birds in which the hind toe cannot be bent independently because planter tendons are united (ie they are connected and work in unison).

Conventional valve activation (left) versus desmodromic (right).

Probably as soon as there were poppet valves engineers began to ponder way of perfecting their opening and closing, the use of a spring for the latter effective but inexact and embryonic ideas would have been discussed but it was the German Daimler company which was first granted a patent for a desmodromic like valve-train system for a V-twin engine in 1889.  After that, designs, prototypes and even the odd racing car appeared so equipped and while there was some success on the track, no manufacturer attempted mass-production because of the high costs inherent in the intricate design and, more practically, the formidably frequency with which the system demanded adjustment to maintain perfect operation.  However, as the trophies won in competition had celebrated, the desmodromic arrangement uniquely permitted very high engine speeds and thus more power without the need to increase displacement and therefore bulk and weight.

A desmodromic valve schematic.

During World War II, there were great advances in metallurgy and the design of internal combustion engines and one manufacturer which had learned much was Daimler-Benz which had perfected the pressurized fuel-injection system which early in the conflict had given Luftwaffe pilots some real advantages over the allied opposition which continued to rely on primitive carburettors for fuel delivery, these adversely affected by gravity while the German aircraft were not.  However, the valve-train relied still on a spring to effect closing and this was a limitation which prevented the advantages of fuel-injection being fully explored.  The big aero-engines in the wartime Messerschmitts has been low-revving so the valve-springs weren’t challenged by physics but the company’s interest has returned to the race tracks and there, the systems limitations were exposed, “valve-float” intruding at high engine speeds.  The dreaded valve float is a phenomenon which occurs at high engine speeds when valve springs can’t return the valves to their seat with the cam follower still in contact with the cam.  This means the valves can be launched too high, even to the point where it can be still wide open when the piston arrives at the top dead centre (TDC), something which in the worst case can result in impact between the two, bending or even snapping the valve.  That will often be catastrophic, the debris perforating and possibly collapsing the hot aluminium piston head.  From that point on, the damage caused will be a matter only of extent, ranging from severe to complete destruction.

The Mercedes-Benz W196 Formula One Grand Prix (1954-1955) car used the desmodromic straight-eight in 2.5 litre form.  A 3.0 litre version was created for the W196S (300 SLR) used in sports car racing.  

That was something desirable to avoid in any engine but especially so in a racing car because, as the saying goes, “to finish first, first one must finish”.  Thus was designed Daimler-Benz’s surprisingly simple desmodromic system for the Mercedes-Benz W196 Formula One car for the 1954 season, ruin under the new 2.5 litre (152 cubic inch) displacement rule.  An amusing mix of new (fuel-injection and the desmodromics) and old (archaic swing axles and a straight-eight configuration), it succeeded, dominating the World Championship in 1954-1955 and in 3.0 litre form as the 300 SLR (technically the W196S), sports car racing too.  One thing which proved vital in all this was that the engineers had removed from the desmodromic hardware the small, final closing spring which had previously been thought necessary.  What the Daimler-Benz engineers discovered was that if a residual clearance of a mere 0.03 mm (0.001181099 inch) was machined, by simply leaving the return “desmo valve” in the closed position, the inertia of the valve and the gas pressure in the cylinder was sufficient to maintain the closure, a variation of the exploitation of the long-documented behaviour of fluid dynamics Chrysler would soon market (somewhat opportunistically) as Sonoramic.  The innovation was made possible by the development of metals stimulated by the demands of war; in the pre-war years, the desmodromic design adopted for the W196 simply wouldn’t have been possible.

Schematic of the Mercedes-Benz W196 straight-eight.

The desmodromic valve control system used an opening cam which directly controlled a shoe at the upper end of the cylindrical tappet rod while another (closing) cam used a deliberately out-of-alignment rocker arm which engaged in a hole drilled in the same tappet.  It was simple, precise and effective and reliably delivered such power that even Enzo Ferrari (1898-1988) considered matters desmodromic, discussing the matter with Dr Fabio Taglioni (1920-2001) who was working on the idea, his design first used by Ducati in 1954 on their 125 cm³ (7.6 cubic inch) racer and later adopted for many of their production and competition machines, used even to this day. 

Lindsay Lohan with Ducati Monster 600 (Desmodromic) in Freaky Friday (2003).

Not needing return springs, the valves being positively opened and closed by a cam and leverage system, desmodromic offered higher engine speed, more power and a variety of improvements to specific efficiencies.  Despite that, except for Ducati, it never became a system used by volume manufacturers (or indeed low-volume operations) because of the disadvantages which included complexity, cost, noise (especially as the cylinder count grew) and, critically, more frequent maintenance.  It was advances in high-speed photography and later computer analysis which rendered desmodromic an engineering cul-de-sac.  With a frame-by-frame view of how valves and valve springs behaved, designers were able to engineer solutions to the problems previously though inherent to conventional valve-trains and, by the 1980s, vastly more powerful computers permitted the virtual testing of every design permutation.  Eventually, the advantages offered by desmodromics became so small that few attempted to justify to additional cost and maintenance penalty.

2002 Ducati MH900e (desmodromic).

What the photography revealed was that valve float was caused mostly by resonance in the springs which generated oscillating compression waves among the coils and that at specific resonant speeds, the springs were no longer making contact at one or both ends, leaving the valve “floating” before crashing into the cam on closure.  The solutions were varied and some, such as Norton's “mousetrap” or “hairpin” spring were soon discarded because, although they worked well, the engineering challenges in integrating them with existing combustion chamber designs created as many problems as were solved.  A less elegant but more manageable approach was to install as many as three concentric valve springs, sometimes nested inside one other; not for more force (the inner ones having no significant spring constant), but to act as dampers, both absorbing and reduce oscillations in the outer spring (engineers delighting in calling the additional springs “snubbers”).  Again, the advances in metallurgy made possible what was once though unattainable.  Complex valve springs were engineered which did not resonate, being progressively wound with a varying pitch varying diameter and dubbed “beehive springs” because of the shape.  The number of active coils in these springs would vary during the stroke, the more closely wound coils located at the static end, becoming inactive as the spring compressed or (as in the beehive) where the small diameter coils at the top were stiffer.  Thus valve float was conquered with springs.

2023 Ducati Multistrada V4, the first Ducati in decades to use conventional valve activation.

But Ducati persists to this day, their raucous machines, once a cult known to a few now enjoying a wider audience which seems prepared to accept both the frequency of with which valve-train adjustments are required and the inherent clatter (which is admittedly quite spine-tingling if sampled at speed when wearing a crash helmet).  Tellingly, Ducati’s motor-cycles are almost all V-twins because the noise level does become intrusive as the cylinder count increases and their recent Multistrada V4 was the first in decades to not use desmodromic valves, the owner rewarded, inter alia, with recommended maintenance intervals of 60,000 km (37,500 miles), a considerable advance on the traditional 12-18,000 km (7500-11,200 miles).  Advances in engineering techniques have allowed the noise of the desmodromic arrangement to be reduced and there are now four-cylinder Ducatis using the system, appealing to those who lust for top end power.  Among collectors of US muscle cars, Ferraris, Jaguars and such there are those who can think of no more pleasurable way to spend a day than adjusting solid valve lifters or tinkering with an array of carburettors (the fascination of intricacy its own reward), the synchronization of which defy all but the chosen priesthood of such things so Ducati seems likely to offer the devoted their desmodromics as long as such things remain somewhere lawful.

Plantar

Plantar (pronounced plan-ter)

In anatomy and zoology, of or relating to the sole of the foot.

1706: From the Latin plantāris (pertaining to the sole of the foot), from planta (sole of the foot) from a nasalized form of the primitive Indo-European root pletə- or plat- (to spread) an extension of the root pele- (flat; to spread).  Related were the Sanskrit prathati (spreads out), the Hittite palhi (broad), the Ancient Greek platys (broad, flat), the Lithuanian platus (broad), the German Fladen (flat cake), the Old Norse flatr (flat), the Old English flet (floor, dwelling) and the Old Irish lethan (broad).  The Latin planta may be analysed as plant +‎ -ar.  The –ar suffix was from Latin -āris (of, pertaining to) and was appended to nouns to create adjectives.  The -aris suffix was a form of -ālis with dissimilation of -l- to -r- after roots containing an l (the alternative forms were -ālis, -ēlis, -īlis & -ūlis); it was used to form adjectives, usually from noun, indicating a relationship or a "pertaining to".  The exact origin of the Latin planta (which in addition to meaning (1) “sole of the foot” could be used in the sense of (2) any vegetable production that serves to propagate the species; a sprout, shoot, twig, sprig, sucker, graft, scion, slip, cutting or (3) a young tree, a shrub that may be transplanted; a set) is uncertain.  It was from either (1) the Proto-Italic plāntā, from the primitive Indo-European pléh-n̥t-eh, from pleh- (flat) or (2) the Proto-Italic plānktā, from the primitive Indo-European pl̥hnk or gteh, from plehk- & plehg- (to strike, fast).  In anatomy, the derived terms include plantar fascia (the thick connective tissue which supports the arch of the foot) and plantar fasciitis (a painful inflammation of the plantar fascia.  The term plantar wart (apparently sometimes initially misunderstood by patients as “planter’s wart”) describes a wart which occurs on the sole of the foot or the toes.  The medical Latin is verruca plantaris.  Plantar is an adjective.

Plantar flexion and dorsiflextion

Lindsay Lohan, plantaflexing.

Plantar flexion refers to the movement of the foot when it is bent at the ankle away from the body, accomplished by flexing muscles in the calf, ankle, and foot.  In normal range of human activity, the range of motion is usually between 20-50^o, a commons example being depressing a car’s accelerator (throttle) pedal. Or even the mere act of walking.  The word “flexion” is used by anatomists and others to describe the movement of many body parts.  The notion of flexing at the knee or elbow is well understood in everyday life and technically, flexion is the decreased angle at a joint between two or more bones.  In the common act of bending the elbow from a straightened position, the angle decreases between the humerus and the radius and ulna of the forearm.  Plantar flexion is defined usually as the decreased angle between the plantar side of the foot and the back of the tibia at the tibiotalar joint (better known as the ankle) and can be visualized as the bending of the sole of the foot down where the toes are moving down and away from the body.  Done deliberately in exaggerated form it can feel unnatural but having one’s toes point downwards is something inherent to human movement, the activities (as well as using a car’s throttle pedal) including bending the foot during walking (propelling the mass of the body forward as it pushes off the ground) and standing on one’s tip toes which reaching for something in a high place.

Lindsay Lohan, dorsiflextion to the left, plantar flexion to the right.

The companion movement is dorsiflexation, an upward bending which, although applied most often to the foot, other body parts such as hands or digits (fingers) can be said to dorsiflex.  Dating from the early nineteenth century, dorsiflexion was a creation which appeared first in the literature of the early-modern science of anatomy.  The construct was dorsi (from the Middle English dorsal or dorsale from the Medieval Latin dorsālis (of or relating to the back)) + flex (from the Latin flexiō (genitive flexiōnis), from flectō (I bend, curve), from the Proto-Italic flektō, of uncertain origin and unknown in other Indo-European cognates) + -ion (the Latin suffix denoting action or condition).  The –ion suffic was from the Middle English -ioun, from the Old French -ion, from the Latin -iō (genitive -iōnis).  It was appended to a perfect passive participle to form a noun of action or process, or the result of an action or process.  Dorsiflexion is also a movement associated with the multiple joints.  The definition is of an action in which induces a decreased angle between the dorsal side of the body part and the bone or bones that are proximal to the body.  When one’s wrist is bent and the back of the hand is moving towards the body, that is an act of dorsiflexion and when the toes are pointed up or raised backward toward the body, this is also dorsiflexion so, using the feet as an illustrative example, plantar flexion and dorsiflextion can be understood as opposite movements at the ankle joint (both obviously being associated with flexion). That means the essence of the difference is the location of the foot doing the bending away from the ankle joint: If the toes rise as the ankle bends, it’s dorsiflexion while if the toes tend downwards, it’s a plantar flex.

Lindsay Lohan, plantar flexion to the left, dorsiflextion to the right.

Although the term (plantar flex) and word (dorsiflex) refer to variations of the same movement, the practice has always been to use a compound form only for the latter although the mechanics of the etymology is the same in that plantar flex references the sole of the foot and dorsiflex the back.  Perhaps counter-intuitively, the upper surface of a foot (the dorsal surface) is, to an anatomist, the back, a convention of use more familiar when used as the “back of the hand”.  Anatomists recommend imaging the dorsal fin of the shark as a memory trick, something associated with the “back side of an animal”. Consider a dorsal fin on a shark which is located on the back side of the shark. If the foot was a four-legged animal, the dorsal side would be the top of the foot. Likewise, if the hand was held out straight, the back side of the hand is called the dorsal side.  Interestingly, by convention, despite the obvious etymological connections, dorsiflex is the universal form while plantarflex, although a correct alternative spelling, is rarely seen outside of technical literature.