From Longman Dictionary of Contemporary Englishvocativevoc‧a‧tive /ˈvɒkətɪv $ ˈvɑː-/ noun [countable] technical a word or particular form of a word used to show that you are speaking or writing directly to someone —vocative adjectiveOrigin vocative (1400-1500) Old French vocatif, from Latin vocativus, from vocare; → VOCATION
