Pertaining to sensation. See animal spirits, below.Having life; living; animate.Pertaining to the merely sentient part of a living being, as distinguished from the intellectual, rational, or spiritual part; of man, pertaining to those parts of his nature which he shares with inferior animals.Of, pertaining to, or derived from animals.n. A sentient living being; an individual, organized, animated, and sentient portion of matter; in zoology, one of the Animalia; a member of the animal kingdom, as distinguished from a vegetable or a mineral.n. An inferior or irrational sentient being, in contradistinction to man; a brute; a beast: as, men and animals.n. A contemptuous term for a human being in whom the animal nature has the ascendancy.