/ Dictionary / Index T tonguefish: Meaning and Definition of Find definitions for: tongue•fish Pronunciation: (tung'fish"), [key] — pl. -fish, -fish•es. any of several flatfishes of the family Cynoglossidae, having the tail tapered to a point. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tonguefish (Thesaurus) tongue depressor tongue graft Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language