a piece of equipment used for lifting something very heavy. It consists of one or more wheels, around which you pull a rope or chain that is fastened to the thing that you want to lift.
Synonyms and related words
Equipment used for lifting heavy things
block and tackle
crane
derrick
pulley
noun countable
US /ˈpʊli/
Word Forms
singular
pulley
plural
pulleys
DEFINITIONS1
1
a piece of equipment used for lifting something very heavy. It consists of one or more wheels, around which you pull a rope or chain that is fastened to the thing that you want to lift.