['graundfiʃ]
n.
底栖鱼,底层鱼(指生活于海底的鱼,如鳕等)

[ noun ]
fish that live on the sea bottom (particularly the commercially important gadoid fish like cod and haddock, or flatfish like flounder)
<noun.animal>

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]