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pulley

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
pul·ley  (pl)
n. pl. pul·leys
1. A simple machine consisting essentially of a wheel with a grooved rim in which a pulled rope or chain can run to change the direction of the pull and thereby lift a load.
2. A wheel turned by or driving a belt.

[Middle English poley, from Old French polie and from Medieval Latin poliva, both ultimately from Greek polos, axis; see kwel-1 in Indo-European roots.]

pulley [ˈpʊlɪ]
n
1. (Engineering / Mechanical Engineering) a wheel with a grooved rim in which a rope, chain, or belt can run in order to change the direction or point of application of a force applied to the rope, etc.
2. (Engineering / Mechanical Engineering) a number of such wheels pivoted in parallel in a block, used to raise heavy loads
3. (Engineering / Mechanical Engineering) a wheel with a flat, convex, or grooved rim mounted on a shaft and driven by or driving a belt passing around it
[C14 poley, from Old French polie, from Vulgar Latin polidium (unattested), apparently from Late Greek polidion (unattested) a little pole, from Greek polos axis]

pulley  (pl)
A machine consisting of a wheel over which a pulled rope or chain runs to change the direction of the pull used for lifting a load. Combinations of two or more pulleys working together reduce the force needed to lift a load. See also block and tackle.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.pulleypulley - a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope
block and tackle - pulley blocks with associated rope or cable
bullock block, bollock - a pulley-block at the head of a topmast
fairlead - a pulley-block used to guide a rope forming part of a ship's rigging to avoid chafing
idle pulley, idle wheel, idler pulley - a pulley on a shaft that presses against a guide belt to guide or tighten it
simple machine, machine - a device for overcoming resistance at one point by applying force at some other point
Translations
pulley [ˈpʊlɪ] Npolea f

pulley [ˈpʊli] npoulie f
pull-in [ˈpʊlɪn] (British) pull-off [ˈpʊlɒf] (US) nparking m

pulley
n (= wheel)Rolle f; (= block)Flaschenzug m; (= hospital apparatus)Streckapparat m

pulley [ˈpʊlɪ] npuleggia, carrucola
pulley [ˈpʊlɪ] npuleggia, carrucola

pulley
n pulley [ˈpuli]
a wheel over which a rope etc can pass in order to lift heavy objects. katrol بَكَرَه скрипец kladka trisse die Rolle τροχαλία polea (tali)plokk قرقره väkipyörä poulie גַלגֶלֶת चरखी csiga kerekan talía, blökk; trissa puleggia, carrucola 滑車 도르래 skridinys trīsis kapi katrol trinse, reimskive blok roldana scri­pete шкив; блок kladka škripec kotur block, talja รอก makara, palanga 滑輪 шків, блок چرخي cái ròng rọc


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? Mentioned in ? References in classic literature
 
Thus speaking, he led the way up the ladder; and hastily closing the window-shutter of the room into which it led, lowered a lantern which hung at the end of a rope and pulley passed through one of the heavy beams in the ceiling: and which cast a dim light upon an old table and three chairs that were placed beneath it.
She had not contented herself with opening the door from above by the usual arrangement of a creaking pulley, though she had looked down at me first from an upper window, dropping the inevitable challenge which in Italy precedes the hospitable act.
Van Baerle, therefore, had devised a contrivance, a sort of pulley, by means of which he was able to lower or to raise his jug below the ledge of tiles and stone before his window.
 
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