Vocative
(a.) Of or pertaining to calling; used in calling; specifically (Gram.), used in address; appellative; -- said of that case or form of the noun, pronoun, or adjective, in which a person or thing is addressed; as, Domine, O Lord.
(n.) The vocative case.
Similar Words:
Advocate Advocated Advocateship Advocating Advocation Advocatory Avocat Avocate Avocation Avocative