Definition of: walrus

(wôl′rəs, wol′-) noun
A large, marine, seal–like mammal (family Odobenidae) of arctic seas, with flexible hind limbs, tusklike canines in the upper jaw, and a thick, heavy neck; especially, the common Atlantic walrus (Odobenus rosmarus).
—adjective
1. Belonging or pertaining to a walrus.
2. Designating a type of mustache suggestive of the coarse bristles on the muzzle of a walrus. [<Du. walrus <Scand. Cf. Dan. hyalros,? <ON hrosshalvr, lit., a horse whale.]
WALRUS
(Body to 10 feet; weight to 3,000 pounds).