of or pertaining to Australia, its inhabitants, or their languages.
2.
Zoogeography. belonging to a geographical division comprising Australia, New Zealand, Tasmania, Celebes, the Moluccas, Papua New Guinea, and adjacent smaller islands.
3.
Phytogeography. belonging or pertaining to a geographical division comprising Australia and Tasmania.
–noun
4.
a native or inhabitant of Australia.
5.
an Aborigine of Australia.
6.
the phylum of languages spoken by the Aborigines of Australia, consisting of more than a hundred languages. Abbreviation:Austral, Austral.
[aw-struh
l] 