Caudal
Pronunciation : Cau"dal
Part of Speech : a.
Etymology : [L. Cauda tail. Cf. Coward.]
Definition : Defn: 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?l.), the terminal fin (or "tail") of a fish.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder