pn One of the six states of Australia, situated in the south-eastern part of the continent, with its capital at Sydney.
pn (historical) (1770 - 1850s) The original name conferred on Australia by w:Captain James Cook | Captain James Cook, and used to describe the entire eastern portion of the continent.
pn (historical) (1788 - 1901) The colony that was founded in 1788, which grew progressively smaller as other colonies were separated from it, and became a state in 1901.