BARRACUDA
barracuda
(noun) any voracious marine fish of the genus Sphyraena having an elongated cylindrical body and large mouth with projecting lower jaw and long strong teeth
Source: WordNet® 3.1
Etymology
Noun
barracuda (plural barracuda or barracudas)
Any large marine fish of the genus Sphyraena that have elongated bodies, a projecting lower jaw, displaying prominent fang-shaped teeth, and are aggressive predators.
(figuratively) One who uses harsh or predatory means to compete.
Source: Wiktionary
Bar`ra*cu"da, Bar`ra*cou"ta, n.
1. (Zoöl.)
Definition: A voracious pikelike, marine fish, of the genus Sphyræna,
sometimes used as food.
Note: That of Europe and our Atlantic coast is Sphyræna spet (or S.
vulgaris); a southern species is S. picuda; the Californian is S.
argentea.
2. (Zoöl.)
Definition: A large edible fresh-water fish of Australia and New Zealand
(Thyrsites atun).
Source: Webster’s Unabridged Dictionary 1913 Edition