muskrat

noun3

1. •
   A semiaquatic rodent of the tribe Ondatrini.

   • He also said that minks, muskrats, foxes, coons, and wild mice were found there, but no squirrels. — 1865
2. •
   Any of several shrews in the family Soricidae, especially an Asian house shrew (Suncus murinus).
3. •
   (no longer used) A bandicoot rat.