pulleys
pul-leys
noun
Simple machines comprising grooved wheels and ropes, used for lifting heavy objects.
"The builders used pulleys to hoist the steel beams."
Thesaurus
Synonyms: pulley block, block, pulley-block
pul-leys
Simple machines comprising grooved wheels and ropes, used for lifting heavy objects.
"The builders used pulleys to hoist the steel beams."
Synonyms: pulley block, block, pulley-block