/ Dictionary / Index M MacManus: Meaning and Definition of Find definitions for: Mac•Man•us Pronunciation: (muk-man'us), [key] — n. 1869–1960, Irish poet and short-story writer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. MacMahon Macmillan Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language