/ Dictionary / Index S sprocket: Meaning and Definition of Find definitions for: sprock•et Pronunciation: (sprok'it), [key] — n. Also calledchainwheel, sprock&prim;et wheel&sec;.a toothed wheel engaging with a conveyor or power chain. one tooth of such a wheel. a wedge-shaped piece of wood extending a sloping roof over the eaves with a flatter pitch. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sprocket (Thesaurus) sproat sprocket hole Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language