opossum
Pronunciation: /əˈpɒs(ə)m/
Definition of opossum
noun
- an American marsupial which has a naked prehensile tail and hind feet with an opposable thumb.
- Family Didelphidae: several genera and numerous species. See also Virginia opossum
Origin:
early 17th century: from Virginia Algonquian opassom, from op 'white' + assom 'dog'