/ Dictionary / Index C copious: Meaning and Definition of Find definitions for: co•pi•ous Pronunciation: (kō'pē-us), [key] — adj. large in quantity or number; abundant; plentiful: copious amounts of food. having or yielding an abundant supply: a copious larder; a copious harvest. exhibiting abundance or fullness, as of thoughts or words. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: copious (Thesaurus) coping saw coplanar Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language