Definition of Pulley

1. Noun. A simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope.

Exact synonyms: Block, Pulley Block, Pulley-block
Group relationships: Block And Tackle
Specialized synonyms: Bollock, Bullock Block, Fairlead, Idle Pulley, Idle Wheel, Idler Pulley
Generic synonyms: Machine, Simple Machine



Definition of Pulley

1. n. A wheel with a broad rim, or grooved rim, for transmitting power from, or imparting power to, the different parts of machinery, or for changing the direction of motion, by means of a belt, cord, rope, or chain.

2. v. t. To raise or lift by means of a pulley.

Definition of Pulley

1. Noun. One of the simple machines; a wheel with a grooved rim in which a pulled rope or chain will lift an object (more useful when two or more pulleys are used together such that a small force moving through a greater distance can exert a larger force through a smaller distance). ¹

¹ Source: wiktionary.com

Definition of Pulley

1. a device used for lifting weight [n -LEYS]

Pulley Pictures

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Lexicographical Neighbors of Pulley

pulldowns
pulled
pulled a train
pulled one's head in
pulled one's own weight
pulled one's weight
pulled over
pulled pork
pulled teeth
pulled together
puller
puller-outer
pullers
pullet
pullets
pulley (current term)
pulley-block
pulleys
pullicate
pullicates
pullies
pullikins
pulling
pulling a train
pulling one's head in
pulling one's own weight
pulling one's weight
pulling out
pulling over
pulling teeth

Literary usage of Pulley

Below you will find example usage of this term as found in modern and/or classical literature:

1. South Eastern Reporter by West Virginia Supreme Court of Appeals, West Publishing Company, South Carolina Supreme Court (1909)
"The first pulley was the one In connection with which the accident occurred. It was made of metal, about eight Inches In diameter, the shaft running through ..."

2. American Machinists' Handbook and Dictionary of Shop Terms: A Reference Book by Fred Herbert Colvin, Frank Arthur Stanley (1914)
"If this is reversed and the small pulley is the driver, the large pulley will only make one turn for every four of the small pulley. ..."

3. Knight's American Mechanical Dictionary: A Description of Tools, Instruments by Edward Henry Knight (1876)
"Belting pulley clutch or tongs. Block (varieties, see BLOCK) Block and tackle. ... See pulley. Fig. 4001 is a skeleton frame with an iron sheave, Fig 4000. ..."

4. Bridge Engineering by John Alexander Low Waddell (1916)
"pulley.—A wheel over which a belt, chain, or rope passes; used to transmit motion or to deflect such belt, chain, or rope from one course to another. ..."

5. Dyke's Automobile and Gasoline Engine Encyclopedia by Andrew Lee Dyke (1920)
"••How to Determine Speed and Size pulley to Use for Driving Air Compressors. ... It should be remembered that the larger the driving pulley, the faster the ..."

6. Dyke's Automobile and Gasoline Engine Encyclopedia by Andrew Lee Dyke (1916)
"How to Determine Speed and Size pulley to Use for Driving Air Compressors. ... It should be remembered that the larger the driving pulley, the faster the ..."

7. The Operative Mechanic, and British Machinist: Being a Practical Display of by John Nicholson (1825)
"CC is a cross fixed firm on the moving shaft A; and E is a pulley or drum ... A is a pulley, having a bush, and revolving freely on the shaft SS : B is ..."

8. Chambers's encyclopædia by Chambers W. and R., ltd (1874)
"It may similarly be shewn that the force applied by the strings marked (4) in support of the last pulley (which is attached to W), is 8P. ..."

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