/ Dictionary / Index M Manon*: Meaning and Definition of Find definitions for: Ma•non Pronunciation: (ma-nôn'), [key] — n. an opera (1884) by Jules Massenet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. manometer Mano Nera, La* Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language