/ Dictionary / Index M marsupial: Meaning and Definition of Find definitions for: mar•su•pi•al Pronunciation: (mär-s'pē-ul), [key] —n. any viviparous, nonplacental mammal of the order Marsupialia, comprising the opossums, kangaroos, wombats, and bandicoots, the females of most species having a marsupium containing the mammary glands and serving as a receptacle for the young. —adj. pertaining to, resembling, or having a marsupium. of or pertaining to the marsupials. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: marsupial (Thesaurus) Marston Moor marsupial bones Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language