From Middle English pleit, plit, plite (“a fold, pleat, wrinkle; braid, strand in a braided cord, ply”), from Anglo-Norman pli, plei, pleit, and Middle French pli, ploy, ply (“a fold, pleat; joint in armour; situation, state”) (modern French pli (“a fold, pleat”)), from plier, ployer (“to bend, fold”), from Latin plicāre (“to bend, fold, roll up”), from Proto-Indo-European *pleḱ- (“to fold, plait, weave”).
Meanings
(countable, uncountable) A layer of material.
It is possible to have a very well load balanced partition but with such a high ply that its slowest piece is slower than a not-so-well balanced partition with less ply. 1999, Twelfth International Conference on VLSI Design: Proceedings: January 7–10, 1999, Goa, India, Los Alamitos, Calif.: IEEE Computer Society Press, →ISBN, page 313:
two-ply toilet paper
The designer critic's staff would come in with, for example, loads of three-ply cashmere. The students weren't even selecting their own fabrics. 2015 October, Tim Gunn, with Ada Calhoun, “Repositioning the Parsons Fashion Design Program”, in Tim Gunn: The Natty Professor: A Master Class on Mentoring, Motivating, and Making it Work!, trade paperback edition, New York, N.Y.: Gallery Books, →ISBN, part I (Truth Telling), page 49:
(countable, uncountable) A strand that, twisted together with other strands, makes up rope or yarn.
To make the hail rod a rope of straw is the first thing necessary; it must be made of ripe wheat straw, soaked and twisted, plaited with three strand and then with four ply, making twelve strand to the rope. 1837 August, “Art I. Protection against Hail Storms. Notice and Description of the Paragrèle, or Hail Rod. By A. J. Downing, Botanic Garden and Nurseries, Newbergh, N.Y.”, in C. M. Hovey, editor, The Magazine of Horticulture, Botany, and All Useful Discoveries and Improvements in Rural Affairs, volume III, number VIII (number XXXII overall), Boston, Mass.: Published by Hovey & Co., […]; New York, N.Y.: Israel Post, […], →OCLC, page 281:
(abbreviation, alt-of, clipping, colloquial, countable, uncountable) Clipping of plywood.
Teak-faced ply is about three times the price of any other, so if you need to economise, anything other than teak would be a good choice! Similarly, marine ply is substantially more expensive than exterior ply, so it may be preferable to go with the latter option. 2015, “Hull and Deck”, in Judith Chamberlain-Webber, editor, The Boat Improvement Bible: Practical Projects to Customise and Upgrade Your Boat, London: Adlard Coles Nautical, →ISBN, page 39, column 1:
The compartment ceiling panels are of plastic material backed with ply or hardboard panels. 1951 May, “British Railway Standard Coaches”, in Railway Magazine, page 328:
The Standards describe the quality of timber or ply, moisture content, amount of acceptable sapwood, freedom from decay and insect attack, limitation of checks and splits and treatment of resin staining, and the way plugging may be employed to mask defects in ply faces. 1994, Alan Blanc, “Doors”, in Mitchell’s Internal Components (Mitchell’s Building Series), Essex: Longman Scientific & Technical, →ISBN; republished London: Routledge, 2014, →ISBN, section 6.5 (Flush Doors):
(countable, qualifier:artificial intelligence; combinatorial game theory; artificial intelligence; combinatorial game theory, uncountable) In two-player sequential games, a "half-turn" or a move made by one of the players.
Chinook uses an iterative, alpha-beta search with transposition tables and the history heuristic[…]. Under tournament conditions (thirty moves an hour), the program searches to an average minimum depth of nineteen ply (one ply is one move by one player). The search uses selective deepening to extend lines that are tactically or positionally interesting. Consequently, major lines of play are often searched many plies deeper. It is not uncommon for the program to produce analyses that are thirty-ply deep or more. 1996, Jonathan Schaeffer, Robert Lake, “Solving the Game of Checkers”, in Richard J. Nowakowski, editor, Games of No Chance: Combinatorial Games at MSRI, 1994 (Mathematical Sciences Research Institute Publications; 29), Cambridge: Cambridge University Press, →ISBN, page 122:
He proposed to build Deep Purple, a super-computer capable of 24-ply look-ahead for chess.
Two principal search strategies were (correctly) predicted: Type-A programs that apply "brute force" inspection of every possible position over a fixed number of plys; and Type-B programs that prune potential moves according to some selection function and then examine the significant sets over as many plys as practical and only at those positions reflecting a degree of stability. 2009, Richard A. Epstein, “Games of Pure Skill and Competitive Computers”, in The Theory of Gambling and Statistical Logic, 2nd edition, Burlington, Mass.: Academic Press, →ISBN; special edition, Waltham, Mass.; Kidlington, Oxfordshire: Academic Press, 2013, →ISBN, page 380:
(Scotland, countable, uncountable) A condition, a state.
You may be ſure, in the ply I was now taking, I had no objection to the propoſal, and was rather a tiptoe for its accompliſhment. 1749, [John Cleland], “(Please specify the letter or volume)”, in Memoirs of a Woman of Pleasure [Fanny Hill], London: […] [Thomas Parker] for G. Fenton [i.e., Fenton and Ralph Griffiths] […], →OCLC, page 75:
fi vuoro (in two-player sequential games, a "half-turn" or a move made by one of the players) · es capa (layer of material) · es hebra (strand making up rope or yarn) · hu szál (strand making up rope or yarn) · bg нишка (strand making up rope or yarn) · mi paparanga (layer of material) · pdt Schicht (layer of material) · mi papanga (layer of material) · pl ruch (in two-player sequential games, a "half-turn" or a move made by one of the players) · hu réteg (layer of material) · es chapa (layer of material) · pl warstwa (layer of material) · bg пласт (layer of material) · fi kerros (layer of material) · fi säie (strand making up rope or yarn) · de Halbzug (in two-player sequential games, a "half-turn" or a move made by one of the players) · hu fonat (strand making up rope or yarn) · ru полухо́д (in two-player sequential games, a "half-turn" or a move made by one of the players) · es hilo (strand making up rope or yarn) · mi apa (layer of material) · mi mātā (layer of material) · pl nitka (strand making up rope or yarn) · de Lage (layer of material) · es cordón (strand making up rope or yarn)
From Middle English plīen, pli, plie (“to bend, fold, mould, shape; to be flexible; to be submissive, humble oneself; to compel someone to submit”), from Anglo-Norman plier, plaier, pleier, ploier, and Middle French plier, ployer (“to bend, fold; to be submissive; to compel someone to submit”) (modern French plier, ployer), from Old French ploiier, pleier (“to fold”), from Latin plicāre (“to fold”); see further at etymology 1. The word is cognate with Catalan plegar (“to bend, fold”), Italian piegare (“to bend, fold, fold up”), Old Occitan plegar, plejar, pleyar (“to fold”) (modern Occitan plegar), Spanish plegar (“to fold”).
Meanings
(obsolete, transitive) To bend; to fold; to mould; (figuratively) to adapt, to modify; to change (a person's) mind, to cause (a person) to submit.
And now when at length the Vineyard has ſhed its late Leaves, and the cold Northwind ſhook from the Groves their Honours; even then the active Swain extends his Cares to the enſuing Year, and cloſe plys the deſolate forſaken Vine, cutting off the ſuperfluous Roots with Saturn's crooked Hook, and forms it by pruning. 1743, Virgil, “The Georgics of Virgil. Book II.”, in [Joseph Davidson], transl., The Works of Virgil Translated into English Prose, […] In Two Volumes, volume I, London: Printed for Joseph Davidson, […], →OCLC, page 135:
(intransitive) To bend, to flex; to be bent by something, to give way or yield (to a force, etc.).
The Oak Upbraided the Willow, that it was Weak and Wavering, and gave way to Every Blaſt. […] Some very little while after This Diſpute, it Blew a Violent Storm. The Willow Ply’d, and gave way to the Guſt, and ſtill recover’d it ſelf again, without receiving any Damage: But the Oak was Stubborn, and choſe rather to Break than Bend. 1692, Roger L’Estrange, “[The Fables of Anianus, &c.] Fab[le] CCXV. An Oak and a Willow.”, in Fables, of Æsop and Other Eminent Mythologists: […], London: […] R[ichard] Sare, […], →OCLC, page 187:
pl zwinąć ((transitive, obsolete) to bend; to fold) · fi taipua ((intransitive) to bend, flex; to be bent by something, to give way or yield) · sk poskladať ((transitive, obsolete) to bend; to fold) · bg огъвам се ((intransitive) to bend, flex; to be bent by something, to give way or yield) · sk zohnúť ((transitive, obsolete) to bend; to fold) · ru сгиба́ть ((intransitive) to bend, flex; to be bent by something, to give way or yield) · fi taivuttaa ((transitive, obsolete) to bend; to fold) · pl zwijać ((transitive, obsolete) to bend; to fold) · pl zwinąć się ((intransitive) to bend, flex; to be bent by something, to give way or yield) · fr plier ((transitive, obsolete) to bend; to fold) · pl zwijać się ((intransitive) to bend, flex; to be bent by something, to give way or yield) · bg огъвам ((transitive, obsolete) to bend; to fold) · de biegen ((transitive, obsolete) to bend; to fold) · bg прегъвам се ((intransitive) to bend, flex; to be bent by something, to give way or yield) · qu muyuy ((intransitive) to bend, flex; to be bent by something, to give way or yield) · sk zložiť ((transitive, obsolete) to bend; to fold) · ru скру́чивать ((transitive, obsolete) to bend; to fold) · nl plooien ((transitive, obsolete) to bend; to fold) · ru сгиба́ть ((transitive, obsolete) to bend; to fold) · sk preložiť ((transitive, obsolete) to bend; to fold) · sk ohnúť ((intransitive) to bend, flex; to be bent by something, to give way or yield) · bg гъна се ((intransitive) to bend, flex; to be bent by something, to give way or yield) · de falten ((transitive, obsolete) to bend; to fold) · fi taittaa ((transitive, obsolete) to bend; to fold)
From apply; compare Middle English plīen, pli, plie, pleie (“to place (something) around, on, or over, to cover; to apply, use; to strive”), short for aplīen, applīen (“to combine, join; to attach; to assemble; to use, be of use; to allot; to apply; to inflict; to go; to ply, steer; to comply, submit”), from Old French applier, aplier, aploier (“to bend; to apply”), from Latin applicāre, present active infinitive of applicō (“to apply; to attach, join; to add”), from ad- (“to, towards”) + plicō (“to bend, fold, roll up”); see further at etymology 1.
From apply; compare Middle English plīen, pli, plie, pleie (“to place (something) around, on, or over, to cover; to apply, use; to strive”), short for aplīen, applīen (“to combine, join; to attach; to assemble; to use, be of use; to allot; to apply; to inflict; to go; to ply, steer; to comply, submit”), from Old French applier, aplier, aploier (“to bend; to apply”), from Latin applicāre, present active infinitive of applicō (“to apply; to attach, join; to add”), from ad- (“to, towards”) + plicō (“to bend, fold, roll up”); see further at etymology 1.
Meanings
(transitive) To work at (something) diligently.
Many who have "plied their book diligently," and know all about some one branch or another of accepted lore, come out of the study with an ancient and owl-like demeanour, and prove dry, stockish, and dyspeptic in all the better and brighter parts of life. 1877, Robert Louis Stevenson, “An Apology for Idlers”, in Virginibus Puerisque and Other Papers, London: C[harles] Kegan Paul & Co., […], published 1881, →OCLC, page 124:
Ply you your work or elſe you are like to ſmart. 1595, G[eorge] P[eele], The Old Wiues Tale. […], printed at London: By Iohn Danter, and are to be sold by Raph Hancocke, and Iohn Hardie, →OCLC; reprinted as The Old Wives Tale, 1595 (The Malone Society Reprints; 7), Oxford: Printed for the Malone Society by Horace Hart M.A., at the Oxford University Press, 1908 (February 1909 reprint), →OCLC, line 720:
He plied his trade as carpenter for forty-three years.
But English Courage growing as they fight, / In danger, noise, and slaughter takes delight, / Their bloody Task, unwearied, still they ply, / Only restrain’d by Death, or Victory: […] 1666, Edm[und] Waller, Instructions to a Painter, for the Drawing of the Posture & Progress of His Ma[jes]ᵗⁱᵉˢ Forces at Sea, under the Command of His Highness Royal. […], London: Printed for Henry Herringman, […], →OCLC, page 13:
(transitive) To wield or use (a tool, a weapon, etc.) steadily or vigorously.
[T]his abuse is as outrageous as are the acts of any Ku-Klux that ever plied the lash or sounded a whistle, […] 1871 February 24, B. F. Sawyer, “The Ku-Klux—The Atlanta Sun and Bullock’s Proclamation”, in Rome Courier; quoted in Testimony Taken by the Joint Select Committee to Inquire into the Condition of Affairs in the Late Insurrectionary States. Georgia, volume II, Washington, D.C.: Government Printing Office, 1 November 1871, published 1872, →OCLC, page 883:
He plied his ax with bloody results.
Why how now Dame, whence growes this inſolence? / Bianca ſtand aſide, poore gyrle ſhe weepes: / Go ply thy Needle; meddle not with her. c. 1590–1592 (date written), William Shakespeare, “The Taming of the Shrew”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act II, scene i], page 215, column 1:
He [a carpenter] feels an additional particle of new life coursing through his veins, and he plys the plane on the following day with additional energy to his own and to his master's satisfaction. 1854, “St. Valentine’s Day”, in The Favorite, volume I, London: Partridge, Oakey, and Co. […], →OCLC, page 114:
Drink had dispelled all common prudence, and chuckling at the idea of finding treasures unknown to their comrades, they plied the crowbar to the door, which was locked, but it soon yielded. 1863, [James Pascoe], “Death in the Vaults”, in The Brigantine. A Story of the Sea. In Two Volumes, volume I, London: Richard Bentley, […], →OCLC, page 299:
(transitive) To press upon; to urge persistently.
to ply someone with questions or solicitations
He plies the Duke at morning and at night, / And doth impeach the freedome of the ſtate / If they deny him iuſtice. c. 1596–1598 (date written), W[illiam] Shakespeare, The Excellent History of the Merchant of Venice. […] (First Quarto), [London]: […] J[ames] Roberts [for Thomas Heyes], published 1600, →OCLC, [Act III, scene ii]:
(transitive) To persist in offering something to, especially for the purpose of inducement or persuasion.
[T]he true Gameſters pretended to be ill, and refuſed their Glaſs, while they plied heartily two young Fellows, who were to be afterwards pillaged, as indeed they were without Mercy. 1749, Henry Fielding, “In which the Man of the Hill Continues His History”, in The History of Tom Jones, a Foundling, volume III, London: A[ndrew] Millar, […], →OCLC, book VIII, page 264:
Esther began […] to cry. But when the fire had been lit specially to warm her chilled limbs and Adela had plied her with hot negus she began to feel rather a heroine. 1929, M. Barnard Eldershaw [pseudonym; Marjorie Barnard and Flora Eldershaw], chapter VII, in A House is Built, London: George G. Harrap and Co., →OCLC, section VI:
to ply someone with drink
(ambitransitive) To travel over (a route) regularly.
Steam navigation is in its infancy: four small 600-ton steamers ply between Hankow, Changsha, and Siangtan; and there are also perhaps a score of launches plying in and out of the province. 1907, Mark Tennien, edited by Marshall Broomhall, The Chinese Empire: A General & Missionary Survey, London: Morgan & Scott, page 169:
The steamer plies between several ports on the coast.
to ply the seven seas
An act of parliament, empowering the plaintiffs, a company, to ply on Sundays from certain points on the south bank of the Thames, but imposing no obligation to provide means of transport or to maintain their plying-places, does not confer an exclusive right against the rest of the world, such as the Court of Chancery will interfere to protect; […] 1866 March 21, “Letton v. Goodden”, in Montagu Chambers, Francis Towers Streeten, Frederick Hoare Colt, editors, The Law Journal Reports for the Year 1866: […], volumes XXXV (New Series; volume XLIV overall), part I (Chancery and Bankruptcy), London: Printed by James Holmes, […]; [p]ublished by Edward Bret Ince, […], →OCLC, headnote, page 427, column 1:
[T]he ſaid corporation ſhall and may be authorized and required to licenſe all ſuch perſon or perſons as ſhall keep or drive any cars, drays or carts, plying for hire within the ſaid town of Wexford, 1794, “Chap. XXVI. An Act for the Improvement of the Town and Harbour of Wexford, and for Building a Bridge or Bridges over the River Slaney, at or near said Town.”, in Statutes Passed in the Parliaments Held in Ireland, volume X, Dublin: Printed by George Grierson, […], published 1799, →OCLC, section LXXIII, page 56:
Before the bridging of the Forth, the train ferry which plied across the estuary from Granton to Burntisland was inconvenient, slow, and uncomfortable, and although an alternative route was available, it meant a detour by rail of 70 miles via Stirling [...]. 1941 January, the late John Phillimore, “The Forth Bridge 1890-1940”, in Railway Magazine, page 5:
(intransitive, obsolete) To work diligently.
[…] Ere halfe theſe Authors be read, which will ſoon be with plying hard, and dayly, they cannot chooſe but be maſters of any ordinary proſe. [1644], [John Milton], Of Education. To Master Samuel Hartlib, [London]: […] [Thomas Underhill and/or Thomas Johnson], →OCLC, page 4:
He was afterwards reduced to great want, and forced to think of plying in the streets as a porter for his livelihood. 1711 June 28 (Gregorian calendar), [Joseph Addison; Richard Steele et al.], “SUNDAY, June 18, 1711”, in The Spectator, number 94; republished in Alexander Chalmers, editor, The Spectator; a New Edition, […], volume II, New York, N.Y.: D[aniel] Appleton & Company, 1853, →OCLC, page 23:
(intransitive, obsolete) To manoeuvre a sailing vessel so that the direction of the wind changes from one side of the vessel to the other; to work to windward, to beat, to tack.
Weighed anchor about five morn, and plied till about noon, and then anchored. This day, at morn, went about the general to council: the result was, the fleet should ply near, as with convenience, to the Texel, to prevent a conjunction of those ships there with Admiral [Maarten] Tromp; […] 1653 July 21, William Penn, Granville Penn, “A Journal on the Vanguard”, in Memorial of the Professional Life and Times of Sir William Penn, Knt. Admiral and General of the Fleet, during the Interregnum; Admiral and Commissioner of the Admiralty and Navy, after the Restoration. From 1644 to 1670. … In Two Volumes, volume I, London: James Duncan, […], published 1833, →OCLC, page 535:
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Translations (38)
hu ostromol (to press upon; to urge persistently) · hu használ (to wield or use (a tool, a weapon, etc.) steadily or vigorously) · hu folytat (to work at (something) diligently) · ru курси́ровать (to travel over regularly) · hu ró (to travel over regularly) · fi painostaa (to press upon; to urge persistently) · fi kuljeskella (to travel over regularly) · pl używać regularnie (to wield or use (a tool, a weapon, etc.) steadily or vigorously) · hu bánik (to wield or use (a tool, a weapon, etc.) steadily or vigorously) · hu közlekedik (to travel over regularly) · hu alkalmaz (to wield or use (a tool, a weapon, etc.) steadily or vigorously) · sk premávať (to travel over regularly) · fi harjoittaa (to work at (something) diligently) · pl pracować żmudnie (to work at (something) diligently) · ru по́тчевать (to persist in offering something to) · hu kínálgat (to persist in offering something to) · pl zasypać (to press upon; to urge persistently) · hu jár (to travel over regularly) · bg работя усърдно (to work at (something) diligently) · ru усе́рдно рабо́тать (to work at (something) diligently) · hu dolgozik (to work at (something) diligently) · pl narzucić się (to persist in offering something to) · hu űz (to work at (something) diligently) · hu elhalmoz (to press upon; to urge persistently) · sv utöva (to work at (something) diligently) · fi käyttää (to wield or use (a tool, a weapon, etc.) steadily or vigorously) · bg правя курсове (to travel over regularly) · hu szel (to travel over regularly) · pl zasypywać (to press upon; to urge persistently) · hu eláraszt (to press upon; to urge persistently) · pl kursować regularnie (to travel over regularly) · bg настоявам (to press upon; to urge persistently) · bg употребявам (to wield or use (a tool, a weapon, etc.) steadily or vigorously) · fi kulkea (to travel over regularly) · hu forgat (to wield or use (a tool, a weapon, etc.) steadily or vigorously) · fi tyrkyttää (to persist in offering something to) · sk makať (to work at (something) diligently) · pl narzucać się (to persist in offering something to)