nounpl. (see fish)
- any of an order (Siluriformes) of bony fishes with barbels, somewhat like a cat's whiskers, about the mouth and usually with a sharp spine in the dorsal and pectoral fins
- any of certain fishes of this group cooked as food
nounpl. catfish, or cat·fish·es
Any of numerous scaleless, chiefly freshwater fishes of the order Siluriformes, characteristically having whiskerlike barbels extending from the upper jaw. Also called Also called regionally mud cat .
(plural catfish or catfishes)
(third-person singular simple present catfishes, present participle catfishing, simple past and past participle catfished)
- (Internet, slang) To create a fake online profile to seduce someone.
From the 2010 documentary Catfish.