/ Dictionary / Index C cogwheel: Meaning and Definition of Find definitions for: cog•wheel Pronunciation: (kog'hwēl", -wēl"), [key] — n. (not in technical use) a gearwheel, esp. one having teeth of hardwood or metal inserted into slots. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cogwheel (Thesaurus) Cogswell chair cogwheel ore Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language