: 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
Illustration of pulley
pulley 2
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These gadgets use magnets to adhere to both sides of a window, allowing double-sided cleaning and offering a solution for exterior window cleaning that doesn’t require ladders, ropes, pulleys or scaffolding.—The Washington Post, San Diego Union-Tribune, 17 May 2025 Around 1495, Leonardo da Vinci invented the ‘robotic knight,’ a humanoid machine powered by pulleys, gears and cables.—Ann Kowal Smith, Forbes.com, 29 Apr. 2025 From here, grasp the rope in both hands and lie down on the bench, facing away from the pulley.
5.—Matt Parrott, arkansasonline.com, 19 Jan. 2025 Iconic motifs — ropes, pulleys and signal flags — are woven into the collection, merging collegiate-prep aesthetics and sea-faring influence to reinforce Tommy Hilfiger’s signature fusion of sport and style.—Bill Springer, Forbes.com, 23 Apr. 2025 See All Example Sentences for pulley
Word History
Etymology
Middle English poley, pully, from Anglo-French pulie, probably ultimately from Greek polos axis, pole — more at pole
: a small wheel with a grooved rim used with a rope or chain to change the direction of a pulling force and in combination to increase the force applied for lifting
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