/ Dictionary / Index M Marcos: Meaning and Definition of Find definitions for: Mar•cos Pronunciation: (mär'kōs), [key] born 1917, Philippine political leader: president 1965–86. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Marco Polo Marcus Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language