/ Dictionary / Index M Marcus Aurelius: Meaning and Definition of Find definitions for: Mar'cus Au•re'li•us Pronunciation: (ô-rē'lē-us, ô-rēl'yus), [key] — (Marcus Annius Verus) a.d.121–180, Stoic philosopher and writer: emperor of Rome 161–180. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Marcus Marcuse 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