/rok"fish'/ , n. , pl. ( esp. collectively ) rockfish , ( esp. referring to two or more kinds or species ) rockfishes .
1. any of various fishes found about rocks.
2. See striped bass .
3. any of the North Pacific and Atlantic marine fishes of the genus Sebastes.
4. scorpionfish. Also called rock cod (for defs. 1-3).
[ 1590-1600; ROCK 1 + FISH ]