Definition of mountain beaver in English:

mountain beaver

Syllabification: moun·tain bea·ver

noun

  • A burrowing forest-dwelling rodent occurring only in western North America, from British Columbia to California. Also called sewellel.
    • Aplodontia rufa, the only member of the family Aplodontidae
    More example sentences
    • This legislation would have allowed the use of traps on moles, gophers and mountain beavers, and provided additional protections for livestock.
    • A few years ago, after clearing a slope obscured by fallen trees and nettles for use as a rhododendron glen, they discovered mountain beavers.

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