Pertaining to or situated nearby the tail; getting the nature or appearance of a tail. Particularly
In anatomy, having a posture or relation toward the tail when compared with other part: the opposite of cephalic (which see). Hence, the throat is a caudal part of the human body with regards to your head. See caudad.
In entomology, with respect to or on the end of stomach: as, a caudal design; a caudal spot.