/ Dictionary / Index E eucaine: Meaning and Definition of Find definitions for: eu•caine Pronunciation: (y-kān', y'kān), [key] — n. Pharm. a white, crystalline solid, CHNO, formerly a local anesthetic, used in veterinary medicine as a substitute for cocaine. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Euboea eucalyptol Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language