'Cogwheel' definitions:

Definition of 'cogwheel'

From: WordNet
noun
A toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion [syn: gear, gear wheel, geared wheel, cogwheel]

Definition of 'Cogwheel'

From: GCIDE
  • Cogwheel \Cog"wheel`\, n. A wheel with cogs or teeth; a gear wheel. See Illust. of Gearing. [1913 Webster]