Australian

(ô-strālˈyən)

1. Of or relating to Australia or its peoples, languages, or cultures.
2. Ecology Of, relating to, or being the zoogeographic region that includes Australia and the islands adjacent to it, including New Guinea, New Zealand, Polynesia, and Tasmania.

1. A native or inhabitant of Australia.
2. A member of any of the Aboriginal peoples of Australia.
3. Any of the languages of the Aboriginal peoples of Australia.