Se*wel"lel (?), n. [Of American Indian origin.] Zool.

A peculiar gregarious burrowing rodent (Haplodon rufus), native of the coast region of the Northwestern United States. It somewhat resembles a muskrat or marmot, but has only a rudimentary tail. Its head is broad, its eyes are small and its fur is brownish above, gray beneath. It constitutes the family Haplodontidae. Called also boomer, showt'l, and mountain beaver.


© Webster 1913.

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