n.
Pronunciation: ' wo ̇ l-r ə s, ' wäl-
Function: noun
Inflected Form: plural walrus or wal · rus · es
Etymology: Dutch, of Scandinavian origin; akin to Danish & Norwegian hvalros walrus, Old Norse rosmhvalr
Date: 1728
: a large gregarious marine mammal ( Odobenus rosmarus of the family Odobenidae) of arctic waters that is related to the seals and has long ivory tusks, a tough wrinkled hide, and stiff whiskers and that feeds mainly on bivalve mollusks