No exact matches for Australia, but the following may be helpful.

Australia Day noun a public holiday in Australia, held on 26 January or the first Monday after that, to celebrate the landing of the British in 1788.

Australian adj belonging or relating to Australia, a continent and country in the southern hemisphere, or its inhabitants. noun a citizen or inhabitant of, or person born in, Australia.
ETYMOLOGY: 18c: from austral.

Australian Rules and Australian Rules Football singular noun a team game with 18 players on each side, that combines features of both association football (see under football) and rugby and which is played on an oval pitch with a large rugby-like ball which may be carried, kicked or punched, the object being to score by kicking the ball between either of two pairs of goalposts which have no crossbars. Also called national code.