/ Dictionary / Index M melodeon: Meaning and Definition of Find definitions for: me•lo•de•on Pronunciation: (mu-lō'dē-un), [key] — n. a small reed organ. a kind of accordion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Melo melodia 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