mountain beaver

noun

  1. a small, burrowing rodent, Aplodontia rufa, of the Pacific coastal region of North America, considered the most primitive living rodent.

Origin of mountain beaver

1
An Americanism dating back to 1880–85

Words Nearby mountain beaver

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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