mountain beaver

English Thesaurus

1. bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent (noun.animal)

hypernym	:	gnawer, rodent,
definition	:	relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing (noun.animal)

member meronym	:	aplodontia, genus aplodontia,
definition	:	type genus of the Aplodontiidae: comprising the mountain beavers (noun.animal)