/ Dictionary / Index C cocaine: Meaning and Definition of Find definitions for: co•caine Pronunciation: (kō-kān', kō'kān), [key] — n. Pharm. a bitter, crystalline alkaloid, CHNO, obtained from coca leaves, used as a local anesthetic and also widely used as an illicit drug for its stimulant and euphorigenic properties. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cocaine (Thesaurus) Coca-colonize cocainism 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