Otaheite noun 2adjective 1forms 2 noun2 •(no longer used) The Tahitian language.I found Omai seated on the Great Chair, and my Brother next to him, and talking Otaheite as fast as possible. — 1774 •(no longer used, rare) A Tahitian. adjective1 •Tahitian. formsmore Otaheite · most Otaheite