DCHP-1 Online
musk beaver Obs. 
n. an aquatic rodent, Ondatra zibethica, common to many parts of North America and widely trapped for its valuable fur.
See also: muskrat (def. 1)
- 1772 Musk-Beaver . . . Musquash . . . frequents the plains, builds a house like the beaver, brings forth from 5 to 7 young at a time, and fees on poplars, willows, and grass.
- 1795 (1911) Though I have before said, that the Musk beaver generally build their houses on the ice, it is not always the case.
- 1772 Musk-Beaver . . . Musquash . . . frequents the plains, builds a house like the beaver, brings forth from 5 to 7 young at a time, and fees on poplars, willows, and grass.