/ Dictionary / Index D dibucaine: Meaning and Definition of Find definitions for: di•bu•caine Pronunciation: (dī-by'kān), [key] — n. Pharm. a compound, CHNO, used as a local and spinal anesthetic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dibucaine (Thesaurus) dibs dibutyl phthalate Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language