Definition from Wiktionary, the free dictionary
groundfish pl (plural only)
- (fishing) Fish that swim near the seafloor
2007 February 14, “Correction: Sea Sends Distress Call in One-Note Chowders”, in New York Times:
- Boats catching groundfish — fish near the ocean bottom including cod, haddock and halibut — catch thousands of pounds of fish at a time.
- (fishing) To fish for groundfish
2004, January 1, “Bob Bernstein”, in Pumping out the heat:
- Earl, who has lobstered, scalloped, groundfished and run tugs most of his life, is half joking.