/wawl"reuhs, wol"-/ , n. , pl. walruses , ( esp. collectively ) walrus .
a large marine mammal, Odobenus nosmarus, of arctic seas, related to the seals, and having flippers, a pair of large tusks, and a tough, wrinkled skin.
[ 1645-55; Walross, Dan hvalros; cf. OE horshwael horse-whale ]