/ Dictionary / Index M Matanzas: Meaning and Definition of Find definitions for: Ma•tan•zas Pronunciation: (mu-tan'zus Sp. mä-tän'säs), [key] — n. a seaport on the NW coast of Cuba. 160,097. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Matanuska Matapan Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language