'Sprocket wheel' definitions:

Definition of 'sprocket wheel'

(from WordNet)
noun
Thin wheel with teeth that engage with a chain [syn: sprocket, sprocket wheel]

Definition of 'Sprocket wheel'

From: GCIDE
  • Sprocket wheel \Sprock"et wheel`\ (spr[o^]k"[e^]t hw[=e]l`). [Etymology of sprocket is uncertain.] (Mach.) Same as Chain wheel. [1913 Webster]