I. adjective 1. inhabiting or existing in a land from the earliest times or from before the arrival of colonists; indigenous. 2. ( Aboriginal) — relating to the Australian Aborigines or their languages. II. noun 1. an aboriginal inhabitant of a place. 2. ( Aboriginal) — a person belonging to one of the indigenous peoples of Australia. 3. ( Aboriginal) [ mass noun] — any of the numerous Australian Aboriginal languages. III. derivatives Aboriginality noun
– origin mid 17th cent.: from Latin aborigines ‘original inhabitants’ (see aborigine) + -al. / usage: See usage at aborigine.