The Collaborative International Dictionary
Caudal fin
Caudal \Cau"dal\, a. [L. Cauda tail. Cf. Coward.] Of the nature of, or pertaining to, a tail; having a tail-like appendage.
The male widow-bird, remarkable for his caudal plumes.
--Darwin.
Caudal fin (Zo["o]l.), the terminal fin (or ``tail'') of a fish. [1913 Webster] ||
Wiktionary
caudal fin
n. The tailfin of a fish and other aquatic vertebrates.
WordNet
caudal fin
n. the tail of fishes and some other aquatic vertebrates [syn: tail fin]
Usage examples of "caudal fin".
Below this they were scaled and finned, the sinuous sea monster bodies ending in a predator's narrow-forked caudal fin.