/ Dictionary / Index M M.H.A.: Meaning and Definition of Find definitions for: M.H.A. Pronunciation: [key] Master in Hospital Administration; Master of Hospital Administration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. MH MHC Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language