| Noun | 1. |  rockfish - the lean flesh of any of various valuable market fish caught among rocks rockfish - marine food fish found among rocks along the northern coasts of Europe and America saltwater fish - flesh of fish from the sea used as food | 
| 2. | rockfish - marine food fish found among rocks along the northern coasts of Europe and America scorpaenid, scorpaenid fish - any of numerous carnivorous usually bottom-dwelling warm-water marine fishes found worldwide but most abundant in the Pacific genus Sebastodes, Sebastodes - rockfishes copper rockfish, Sebastodes caurinus - a rockfish of the Pacific coastal waters of North America rasher, Sebastodes miniatus, vermillion rockfish - a commercially important fish of the Pacific coast of North America Sebastodes ruberrimus, red rockfish - a large fish of the Pacific coast of North America Sebastodes marinus, ocean perch, rosefish - large fish of northern Atlantic coasts of America and Europe rockfish - the lean flesh of any of various valuable market fish caught among rocks | |
| 3. |  rockfish - marine food and game fish with dark longitudinal stripes; migrates upriver to spawn; sometimes placed in the genus Morone sea bass - any of various food and sport fishes of the Atlantic coast of the United States having an elongated body and long spiny dorsal fin genus Roccus, Roccus - a genus of Serranidae |