Bible Dictionaries
Vocative

Webster's Dictionary

(1):

(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.

(2):

(n.) The vocative case.

Bibliography Information
Webster, Noah. Entry for 'Vocative'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​v/vocative.html. 1828.