VOC'ATIVE, adjective [Latin vocativus.] Relating to calling; as the vocative case in grammar. VOC'ATIVE, noun In grammar, the fifth case or state of nouns in the Latin language; or the case in any language, in which a word is placed when the person is addressed: as Domine, O Lord.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI