- A rodent found on the west shore of North America, taxonomic title Aplodontia rufa. It is not the main beaver household.
- The sewellel, Haplodon rufus. See sewellel, and cut-under Haplodon.
- large nocturnal burrowing rodent of uplands for the Pacific coastline of united states; the absolute most primitive living rodent
Sentence for "mountain beaver"
- Katrina: Dude what was that
Hypernym for "mountain beaver"
Urban Dictionary for "mountain beaver"