/ Dictionary / Index P phenacaine: Meaning and Definition of Find definitions for: phe•na•caine Pronunciation: (fē'nu-kān", fen'u-), [key] — n. Pharm. a compound, CHNO, usually used in the form of its hydrochloride as a local anesthetic for the eye. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phen- phenacetin Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language