/ Dictionary / Index M murine opossum: Meaning and Definition of Find definitions for: mu'rine opos"sum Pronunciation: [key] any of several grayish, brownish, or russet opossums of the genus Marmosa, inhabiting forests of Central and South America, often having a black, masklike marking on the face. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. murine Murjite Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language