/ Dictionary / Index M Martin V: Meaning and Definition of Find definitions for: Martin V Pronunciation: [key] (Oddone Colonna) 1368–1431, Italian ecclesiastic: pope 1417–31. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Martin IV Martina Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language