Breadcrumb Home > Dictionary Cite Meaning of Upper Austria Find definitions for: Up'per Aus'tria Pronunciation: [key] a province in N Austria. 1,270,426; 4631 sq. mi. (11,995 sq. km). Cap.: Linz. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. upper atmosphere upper bound Related Content Daily Word Quiz: parallax Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language