Of or pertaining to the anus.
Situated at or near the anus; aboral: the opposite of oral.
Ventral and median, as the fin of a fish, without reference to its position with respect to the anus: the opposite of dorsal.
In zoölogy its abbreviation is adjective
In mammals, any glandular organ situated near or connected with the anus, such as those existing in the Mustelidæ. They reach their greatest development in the skunks, and their secretion is the cause of the fetid odor of these animals.
noun.
In ichthyology, an anal fin.