plural pulleys
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

Illustration of pulley

Illustration of pulley
  • pulley 2

Examples of pulley in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The pulley at the Children's Museum was not on anyone's itinerary. Jordi Lippe-McGraw, Condé Nast Traveler, 21 July 2026 The balancer/pulley is actually two parts and if the inner and outer section are loose, the belt will make noise. John Paul Senior Manager Public Affairs and Traffic Safety Aaa Northeast, Hartford Courant, 18 July 2026 Grab a Swiss Ball and place it in front of one side of the pulley machine. Matt Parrott, Arkansas Online, 28 June 2026 Reformer Pilates Originally designed by Joseph Pilates, a reformer is a specialized piece of large exercise equipment that encompasses a long, bed-like frame set low to the ground and a sliding horizontal platform attached to a system of pulleys or springs. Maggie Donahue, Health, 25 June 2026 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

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of pulley was in the 14th century

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Cite this Entry

“Pulley.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pulley. Accessed 24 Jul. 2026.

Kids Definition

plural pulleys
: 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

Medical Definition

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