'Caudal fin' definitions:
Definition of 'caudal fin'
From: WordNet
noun
The tail of fishes and some other aquatic vertebrates [syn: tail fin, caudal fin]
Definition of 'Caudal fin'
From: 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]