caudal fin
NounWordNet 3.0
Noun (1)
- the tail of fishes and some other aquatic vertebratesSynonyms: tail fincaudal fin
Webster's Dictionary (GCIDE)
Caudal \Cau"dal\, a. [L. Cauda tail. Cf. Coward.] Of the nature of, or pertaining to, a tail; having a tail-like appendage. [1913 Webster]
The male widow-bird, remarkable for his caudal plumes. --Darwin. [1913 Webster]
Caudal fin (Zool.), the terminal fin (or "tail") of a fish. [1913 Webster]