cau·dal /ˈkɔdḷ/ 形容詞
Cau·dal a. 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 Zool., the terminal fin (or “tail”) of a fish.
adj 1: constituting or relating to a tail; "caudal appendage" [ant:
2: resembling a tail [syn: taillike]
3: (of quadrupeds) situated in or directed toward the part of
the body from which the tail arises; "caudal fins"; "the
caudal end of the body"
adv : toward the posterior end of the body [syn: caudally]