walrus
nounA large marine mammal (Odobenus rosmarus) of Arctic regions, related to the seals and having two long tusks, tough wrinkled skin, and four flippers.
nounAny member of the family Trichechidæ (or Ros maridæ); a very large pinniped carnivorous mammal, related to the seals, having in the male enormous canine teeth protruding like tusks from the upper jaw.
nounA very large marine mammal (
A large
either of two large northern marine mammals having ivory tusks and tough hide over thick blubber