/aw strayl"yeuhn/ , adj.
1. of or pertaining to Australia, its inhabitants, or their languages.
2. Zoogeog. belonging to a geographical division comprising Australia, New Zealand, Tasmania, Celebes, the Moluccas, Papua New Guinea, and adjacent smaller islands.
3. Phytogeog. belonging or pertaining to a geographical division comprising Australia and Tasmania.
n.
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.
Abbr.: Austral, Austral.
[ AUSTRALI(A) + -AN ]