/ Dictionary / Index M MN: Meaning and Definition of Find definitions for: MN Pronunciation: [key] Minnesota (approved esp. for use with zip code). Mn Pronunciation: [key] manganese. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mn (Thesaurus) M.Mus.Ed. M.N.A. Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language