pulley
noun
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Divide pulley into syllables:

pul · ley

How to pronounce pulley:

Definition of pulley:

pulley (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.
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

Synonyms for pulley:

block
block and tackle
bollock
bullock block
fairlead
idle pulley
idle wheel
idler pulley
machine
pulley block
pulley-block
simple machine