Emily Dickinson Lexicon

POS-SES'SIVE, a. [L. possessivus.]

Pertaining to possession; having possession. Possessive case, in English grammar, is the genitive case, or case of nouns and pronouns, which expresses, 1st, possession, ownership, as John's book; or 2ndly, some relation of one thing to another, as Homer's admirers.