Definitions for pulleyˈpʊl i

This page provides all possible meanings and translations of the word pulley

Random House Webster's College Dictionary

pul•leyˈpʊl i(n.)(pl.)-leys.

  1. a wheel for supporting, guiding, or transmitting force to or from a moving rope or cable that rides in a groove in its edge.

    Category: Machinery

  2. a combination of such wheels in a block, or of such wheels or blocks in a tackle, to increase the force applied.

    Category: Machinery

Origin of pulley:

1275–1325; ME poley, puly < MF polie蠐 MGk *polídion little pivot

Princeton's WordNet

  1. pulley, pulley-block, pulley block, block(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

Wiktionary

  1. pulley(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).

Webster Dictionary

  1. Pulley(verb)

    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. Pulley

    to raise or lift by means of a pulley

Freebase

  1. Pulley

    A pulley is a wheel on an axle that is designed to support movement of a cable or belt along its circumference. Pulleys are used in a variety of ways to lift loads, apply forces, and to transmit power. A pulley is also called a sheave or drum and may have a groove between two flanges around its circumference. The drive element of a pulley system can be a rope, cable, belt, or chain that runs over the pulley inside the groove. Hero of Alexandria identified the pulley as one of six simple machines used to lift weights. Pulleys are assembled to form a block and tackle in order to provide mechanical advantage to apply large forces. Pulleys are also assembled as part of belt and chain drives in order to transmit power from one rotating shaft to another.


Translations for pulley

Kernerman English Multilingual Dictionary

pulley(noun)

a wheel over which a rope etc can pass in order to lift heavy objects.

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