/ Dictionary / Index M memento mori: Meaning and Definition of Find definitions for: me•men•to mo•ri Pronunciation: (mu-men'tō môr'ī, mōr'ī, môr'ē, mōr'ē for 1 also Lat. me-men'tō mō'rē), [key] — pl. memento mori (italics)remember that you must die. an object, as a skull, serving as a reminder of death or mortality. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. memento Memling Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language