: 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
Example Sentences
Recent Examples on the WebChrome engine tins and pulleys add to the shine, as does a ceramic-coated Tri-Mil dual exhaust system.—Andrew Wendler, Car and Driver, 27 May 2023 Jamie modified the sconces found on Etsy with a light-lowering pulley system so they could be hung high enough to avoid carving electrical outlets into the original logs.—Rhonda Reinhart, Country Living, 17 May 2023 Her work — complex installations of ladders, lamps, fans, clamps, potted plants, videos, photographs, torn paper, masking tape, pulleys and string, wire and wooden scaffolds — also spills into some of the building’s other spaces.—Sebastian Smee, Washington Post, 14 Apr. 2023 Look for a high-quality ceiling-mount hoist rack or get crafty and create your own DIY pulley system to retrieve the high-up bikes.—Mary Cornetta, Better Homes & Gardens, 21 Mar. 2023 To move the heavier items, the Trash Bashers rigged up a wheelbarrow, without the wheels, and connected it to a pulley.—James R. Hagerty, WSJ, 11 June 2021 Tie one end of the parachute cord to the pulley.—Jim Baird, Field & Stream, 21 Oct. 2020 There's a new supercharger with a larger throttle body and a pulley that increases boost pressure by 40 percent compared to the Challenger Hellcat Redeye Widebody.—Jonathan M. Gitlin, Ars Technica, 21 Mar. 2023 Chon connects resistance bands to the shorts, fastening the other ends to a pulley.—Kristine Thomason, Men's Health, 20 Mar. 2023 See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pulley.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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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