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 for 2.
1. (italics) Latin.remember that you must die.
2. 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.