/ Dictionary / Index A art union: Meaning and Definition of Find definitions for: art' un"ion Pronunciation: [key] — Australian. Australian. a lottery, originally a nongovernment lottery with works of art as prizes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. art theater Artur Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language