/ Dictionary / Index M Marc Antony: Meaning and Definition of Find definitions for: Marc" An'tony Pronunciation: (märk). [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Marcantonio marcasite Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language