walrus
Concise Oxford English Dictionary © 2008 Oxford University Press:
walrus/ˈwɔːlrəs/
▶noun a large marine mammal related to the eared seals, having two large downward-pointing tusks and found in the Arctic Ocean. [Odobenus rosmarus.]
– origin C18: prob. from Du. walrus, perh. by an inversion of elements (influenced by walvis ‘whale-fish’) of ON hrosshvalr ‘horse-whale’.
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