/ Dictionary / Index M melaena: Meaning and Definition of Find definitions for: me•lae•na Pronunciation: (mi-lē'nu), [key] — n. Med. melena. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: melaena (Thesaurus) mela Melaka Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language