Australia Australia /ɔˈstreɪljə/

noun

1. () A nation occupying the whole of the Australian continent; Aboriginal tribes are thought to have migrated from southeastern Asia 20,000 years ago; first Europeans were British convicts sent there as a penal colony  ( Commonwealth of Australia , Oz , Australia )
   a nation occupying the whole of the Australian continent; Aboriginal tribes are thought to have migrated from southeastern Asia 20,000 years ago; first Europeans were British convicts sent there as a penal colony
    The Great Barrier Reef in Australia is the largest coral reef system on earth and attracts millions of visitors each year
   The Great Barrier Reef in Australia is the largest coral reef system on earth and attracts millions of visitors each year
   
   
2. The smallest continent; between the South Pacific and the Indian Ocean  ( Australia , Oz )
   the smallest continent; between the South Pacific and the Indian Ocean
    Australia, located between the South Pacific and Indian Ocean, is the smallest continent.
   Australia, located between the South Pacific and Indian Ocean, is the smallest continent.