PULLEY


Meaning of PULLEY in English

transcription, транскрипция: [ ˈpu̇-lē ]

noun

( plural pulleys )

Etymology: Middle English poley, pully, from Anglo-French pulie, probably ultimately from Greek polos axis, pole — more at pole

Date: 14th century

1. : a sheave or small wheel with a grooved rim and with or without the block in which it runs used singly with a rope or chain to change the direction and point of application of a pulling force and in various combinations to increase the applied force especially for lifting weights

2. : a pulley or pulleys with ropes to form a tackle that constitutes one of the simple machines

3. : a wheel used to transmit power by means of a band, belt, cord, rope, or chain passing over its rim

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pulley 2

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Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.