Breadcrumb Home > Dictionary > Index M maremma: Meaning and Definition of Find definitions for: ma•rem•ma Pronunciation: (mu-rem'u), [key] — pl. -rem•me a marshy region near the seashore, esp. in Italy. the miasma associated with such a region. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mare liberum Mare Nectaris ✖ Related Content Daily Word Quiz: acronym Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language