/ Dictionary / Index M MD: Meaning and Definition of Find definitions for: MD Pronunciation: [key] Maryland (approved esp. for use with zip code). Doctor of Medicine. Middle Dutch. months after date. muscular dystrophy. Md Pronunciation: [key] right hand. Md Pronunciation: [key] mendelevium. Md. Pronunciation: [key] Maryland. M/D Pronunciation: [key] months after date. M.D. Pronunciation: [key] Doctor of Medicine. Middle Dutch. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: md (Thesaurus) McTeague* MDA Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language