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Noun: mountain beaver
  1. Bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent
    "Mountain beavers created extensive tunnel systems in the forest floor";
    - sewellel, Aplodontia rufa

Derived forms: mountain beavers

Type of: gnawer, rodent

Part of: Aplodontia, genus Aplodontia

Encyclopedia: Mountain beaver