ahoy /əˈhɔɪ/exclamation 2noun 1verb 1forms 3 exclamation2 •Used to hail a ship, a boat or a person, or to attract attention.While he was thus occupied, a voice, still more uncouth than the former, bawled aloud, ‘Ho! the house, a-hoy!’ — 1751 •(humorous) Warning of something approaching or impending.Lawsuits, ahoy! […] Towns can regulate use of their beaches. But what about the waters offshore? — 1989 noun1 •An utterance of this interjection.There were many ahoys heard from the approaching ship. verb1 •To hail with a cry of "ahoy". formsahoyed · ahoying · ahoys