opossum
/əˈpɒsəm/noun
1- an American marsupial which has a naked prehensile tail and hind feet with an opposable thumb负鼠。
1.1
- Family Didelphidae: several genera and numerous species.负鼠科：数属, 众多种。参见
V IRGINIA OPOSSUM.
1.2
- Austral. a possum〈澳〉袋貂。
词源
early 17th cent.: from Virginia Algonquian opassom, from op 'white' + assom 'dog'.