/ Dictionary / Index A Australia Day: Meaning and Definition of Find definitions for: Austral'ia Day" Pronunciation: [key] a legal holiday in Australia, the first Monday after January 25, commemorating the landing of the British in 1788. Formerly, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Australia Current Australian Related Content Daily Word Quiz: hale Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language