tonguefish

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tongue·fish

 (tŭng′fĭsh′)
n. pl. tonguefish or tongue·fish·es
Any of various marine flatfishes of the family Cynoglossidae, having the posterior part of the body tapering to a point.

[From its tongue-shaped body.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tonguefish - left-eyed marine flatfish whose tail tapers to a pointtonguefish - left-eyed marine flatfish whose tail tapers to a point; of little commercial value
flatfish - any of several families of fishes having flattened bodies that swim along the sea floor on one side of the body with both eyes on the upper side