Noun
Any one of numerous species of marine cottoid fishes of the genus Cottus, or Acanthocottus, having a large head armed with sharp spines, and a broad mouth. They are generally mottled with yellow, brown, and black. Several species are found on the Atlantic coasts of Europe and America.
A large cottoid market fish of California (Scorpaenichthys marmoratus); -- called also bighead, cabezon, scorpion, salpa.
The dragonet, or yellow sculpin, of Europe (Callionymus lura).
Source: Webster's dictionary