<p><strong>Adjective</strong></p><ul><li>Grammar: (in certain inflected languages, as Latin) noting or pertaining to a case used to indicate that a noun refers to a person or thing being addressed.</li><li>Of, relating to, or used in calling, specifying, or addressing.</li></ul><p><strong>Noun</strong></p><ul><li>Grammar: the vocative case.</li><li>A word in the vocative, as Latin Paule “O Paul.”</li></ul>