/ Dictionary / Index M mosso: Meaning and Definition of Find definitions for: mos•so Pronunciation: (mō'sōIt.môs'sô), [key] — adj. Music. rapid; fast. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mossi Mossoró Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language