coypu
/ˈkɔɪpuː/noun
(pl. coypus)
1- a large semiaquatic beaver-like rodent, native to South America. It is kept in captivity for its fur and has become naturalized in many other areas.（产于南美的）河狸鼠。
1.1
- Myocastor coypus, the only member of the family Myocastoridae.拉丁名 Myocastor coypus,河狸鼠科的仅有成员。
词源
late 18th cent.: from Araucanian.