the smallest continent and one of the largest countries on Earth, lying between the Pacific and Indian oceans in the Southern Hemisphere. Commonwealth of Australia dominion of the Commonwealth of Nations including the continent of Australia and the island of Tasmania.

http://id.loc.gov/vocabulary/countries/at

“Australia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Australia. Accessed 20 Aug. 2026.