nounpl. 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.
Origin of tonguefishFrom its tongue-shaped body.
(plural tonguefishes or tonguefish)
- Any of the flatfishes in the taxonomic family Cynoglossidae, distinguished by the presence of a long hook on the snout overhanging the mouth.