Pulley Definition
po͝olē
pulleys
noun
pulleys
A small fixed wheel, sometimes turning in a block, with a grooved rim in which a rope or chain runs, as to raise a weight attached at one end by pulling on the other end: it changes the direction of effort but provides no mechanical advantage.
Webster's New World
A combination of such wheels, used to increase the mechanical advantage.
Webster's New World
A wheel that turns or is turned by a belt, rope, chain, etc., so as to transmit power.
Webster's New World
verb
To raise or lift by means of a pulley.
Wiktionary
Other Word Forms of Pulley
Noun
Singular:
pulley
Plural:
pulleysOrigin of Pulley
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From Middle English polley, pullie, from Old French poulie, polie (“a pulley"), (compare Medieval Latin polea, polegia, polegium; Middle Dutch puleye), of Germanic origin, from or related to Middle Low German pulen (“to pull"), Old English pullian (“to pull") . More at pull.
From Wiktionary
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Middle English poley from Old French polie and from Medieval Latin poliva both ultimately from Greek polos axis kwel-1 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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