/ Dictionary / Index M Mario: Meaning and Definition of Find definitions for: Ma•ri•o Pronunciation: (mär'ē-ō", mar'-It.mä'ryô), [key] — n. a male given name: from the Roman family name Marius. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Marinus II Mariolatry Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language