Of or relating to animals, esp. mammals or quadrupeds (as contrasted with humans); animal or mammalian in kind or nature. In early use…

Of or belonging to the brutes, as opposed to man; of the nature of a brute; animal. Obsolete or archaic.

Characterized by the unrestrained indulgence of physical or sensual desires or appetites, in a manner regarded as characteristic of an animal…

Of or belonging to animals; resembling (that of) an animal.

(a) of or relating to a life force or vital force; of or relating to animal magnetism; (b) of or relating to chemical constituents of animal origin.