Definition of walrus noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈwɔːlrəs//
; NAmE NAmE//ˈwɔːlrəs//
Wild mammals
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an animal like a large seal (= a sea animal with thick fur, that eats fish and lives around coasts), that has two long outer teeth called tusks and lives in Arctic regions See related entries: Wild mammals Word Originearly 18th cent.: probably from Dutch walrus, perhaps by an inversion of elements (influenced by walvis ‘whale fish’) of Old Norse hrosshvalr ‘horse whale’.
See the Oxford Advanced American Dictionary entry: walrus