Definition of sprocket in English:


Syllabification: sprock·et
Pronunciation: /ˈspräkit


  • 1Each of several projections on the rim of a wheel that engage with the links of a chain or with holes in film, tape, or paper.
    More example sentences
    • One of the drive chains jumped the sprocket and the team could not fix it.
    • Worn chains and sprockets may be working improperly long before they actually break.
    • All of the moving parts are fully enclosed so you have got no chance of sprockets or drive shafts whirring around or anything like that.
  • 1.1 (also sprocket wheel) A wheel with sprockets.
    More example sentences
    • Modern aluminium sprocket wheels are so light, he says, that doubling their size is relatively unimportant.
    • If the chain has not fallen off the sprocket wheel, its movement may be obstructed by something.
    • The sprocket wheel is attached to the rear wheel, which thus also rotates 2 times a second.


mid 16th century (denoting a triangular piece of timber used in a roof): of unknown origin.

More definitions of sprocket

Definition of sprocket in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little