Vocative

vocative [ vókətiv ]
noun  (plural vocatives)
Definition:
 
1. grammatical case of somebody addressed: a grammatical case that indicates that somebody or something is being directly addressed by the speaker. In Julius Caesar's dying words to Brutus'et tu, Brute', 'Brute' is in the vocative.
2. word in vocative: a word or form in the vocative case
adjective 
Definition:
 
indicating somebody or something addressed: in or relating to the vocative
[15th century. < Latin vocativus< vocat- (see vocation)]

vocatively adverb

 Encarta 10 Dec 2010   19:11