one of several parts on the outside of a wheel that fit into the holes in something such as a chain or a piece of film and pull or turn it when the wheel turns
Synonyms and related words
Parts of machines and machinery
ancillary
ball bearing
bearing
sprocket
noun countable
US /ˈsprɑkɪt/
Word Forms
singular
sprocket
plural
sprockets
DEFINITIONS1
1
one of several parts on the outside of a wheel that fit into the holes in something such as a chain or a piece of film and pull or turn it when the wheel turns