1. pulley

noun. (ˈpʊli) 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.
Synonyms
idler pulley idle wheel block bollock idle pulley bullock block block and tackle simple machine machine pulley-block pulley block fairlead
Antonyms
free unclog natural object unstuff show
Etymology
pulley (English)
polley (Middle English (1100-1500))

2. pulley-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.
Synonyms
idler pulley idle wheel block bollock idle pulley bullock block pulley block and tackle simple machine machine pulley block fairlead
Antonyms
free unclog natural object unstuff show
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