/ Dictionary / Index C coz: Meaning and Definition of Find definitions for: coz Pronunciation: (kuz), [key] — n. Informal. cousin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coypu coze Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language