/ Dictionary / Index C catfish: Meaning and Definition of Find definitions for: cat•fish Pronunciation: (kat'fish"), [key] — -fish, -fish•es. any of the numerous fishes of the order or suborder Nematognathi (or Siluroidei), characterized by barbels around the mouth and the absence of scales. a wolffish of the genus Anarhichas. any of various other fishes having a fancied resemblance to a cat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: catfish (Thesaurus) catfight cat flea Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language