n. The act of taking possession, or the being in actual possession; more specifically, in law, the taking possession of a thing not belonging to any person, and the right acquired by such act; that mode of acquiring property which is founded on the principle that he who takes possession of an ownerless thing, with the design of appropriating it to himself, thereby becomes the owner of it; the act of occupying or holding in actual as distinguished from constructive possession.n. The term during which one is an occupant: as, during his occupancy of the post.