WALRUS
walrus, seahorse, sea horse
(noun) either of two large northern marine mammals having ivory tusks and tough hide over thick blubber
Source: WordNet® 3.1
Etymology
Noun
walrus (plural walruses or walrus or walrusses or walri or walrii)
A large Arctic marine mammal related to seals and having long tusks, tough, wrinkled skin, and four flippers, Odobenus rosmarus.
Synonyms
• morse (obsolete)
• sea horse (rare)
Source: Wiktionary
Wal"rus, n. Etym: [D. walrus; of Scand. origin; cf. Dan valros, Sw.
vallross, Norw. hvalros; literally, whale horse; akin to Icel.
hrosshvalr, AS. horshwæl. See Whale, and Horse.] (Zoöl.)
Definition: A very large marine mammal (Trichecus rosmarus) of the Seal
family, native of the Arctic Ocean. The male has long and powerful
tusks descending from the upper jaw. It uses these in procuring food
and in fighting. It is hunted for its oil, ivory, and skin. It feeds
largely on mollusks. Called also morse.
Note: The walrus of the North Pacific and Behring Strait (Trichecus
obesus) is regarded by some as a distinct species, by others as a
variety of the common walrus.
Source: Webster’s Unabridged Dictionary 1913 Edition