1. bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent; [syn: mountain beaver, sewellel, Aplodontia rufa]
WordNet (r) 3.0 (2006):
Aplodontia rufa
n 1: bulky nocturnal burrowing rodent of uplands of the Pacific
coast of North America; the most primitive living rodent
[syn: mountain beaver, sewellel, Aplodontia rufa]