mountain be-aver

mountain beaver

noun
a small, burrowing rodent, Aplodontia rufa, of the Pacific coastal region of North America, considered the most primitive living rodent.
Also called sewellel.


Origin:
1880–85, Americanism

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
mountain beaver

noun
bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent 
WordNet® 3.0, © 2006 by Princeton University.
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