From Longman Dictionary of Contemporary Englishmarsupialmar‧su‧pi‧al /mɑːˈsuːpiəl $ mɑːr-/ noun [countable] HBAan animal such as a kangaroo which carries its babies in a pocket of skin on its body —marsupial adjective
Examples from the Corpus
marsupial• The first stop is Featherdale Wildlife Park, where buses are met by a park agent holding a small marsupial.Origin marsupial (1600-1700) Latin marsupium “small bag” 