/ Dictionary / Index M meperidine: Meaning and Definition of Find definitions for: me•per•i•dine Pronunciation: (mu-per'i-dēn", -din), [key] — n. Pharm. a narcotic compound, CHNO, used as an analgesic and sedative. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: meperidine (Thesaurus) M.E.P.A. Mephibosheth Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language