caudal fin

noun

the terminal vertical fin of a fish.
Also called tail fin.

Words nearby caudal fin

cauda pancreatis, caudad, caudaite, caudal, caudal anesthesia, caudal fin, caudal flexure, caudal transverse fissure, caudate, caudate lobe, caudate nucleus

British Dictionary definitions for caudal fin

caudal fin

noun

the tail fin of fishes and some other aquatic vertebrates, used for propulsion during locomotion