/ Dictionary / Index A Aust.: Meaning and Definition of Find definitions for: Aust. Pronunciation: [key] Austria. Austria-Hungary. Austrian. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Aussie austemper Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language