Pos‐sess″ive (?), a. [L. possessivus: cf. F. possessif.] Of or pertaining to possession; having or indicating possession.
Possessive case(Eng. Gram.), the genitive case; the case of nouns and pronouns which expresses ownership, origin, or some possessive relation of one thing to another; as, Homer's admirers; the pear's flavor; the dog's faithfulness. — Possessive pronoun, a pronoun denoting ownership; as, his name; her home; my book.