'groundfish' definitions:

Definition of 'groundfish'

From: WordNet
noun
Fish that live on the sea bottom (particularly the commercially important gadoid fish like cod and haddock, or flatfish like flounder) [syn: groundfish, bottom fish]

Definition of 'groundfish'

From: GCIDE
  • groundfish \ground"fish\ (ground"f[i^]sh), n. sing. & pl. Fish that live on the sea bottom, especially commercially important gadoid fishes like cod and haddock or flatfish like flounder.
  • Syn: bottom fish. [WordNet 1.5] groundhog