Senso

1. An island in Oceania.
2. 1814, Matthew Flinders, A Voyage to Terra Australis, volume 1 (at Project Gutenberg)
3. A country in Oceania comprising the islands of Australia, Tasmania and other smaller islands in the Pacific Ocean, as well as its precursor colony in the British Empire. Official name: Commonwealth of Australia. Capital: Canberra.
4. A continent consisting of the islands of Australia, New Guinea and intervening islands. New Guinea and the intervening islands are also on the Australian tectonic plate and are thus geologically considered part of the continent.