/ Dictionary / Index M massa: Meaning and Definition of Find definitions for: mas•sa Pronunciation: (mas'u), [key] — n. marse. Mas•sa Pronunciation: (mäs'sä), [key] — n. a city in W Italy, near the Ligurian Sea: important marble industry. 65,346. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mass Massachusett Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language