/ Dictionary / Index A A.U.C.: Meaning and Definition of Find definitions for: A.U.C. Pronunciation: [key] from the founding of the city (of Rome in 753? b.c.). The year 360 A.U.C. would be the 360th year after the founding of Rome. in the year from the founding of the city (of Rome in 753? b.c.). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: auc (Thesaurus) Aubusson Auckland Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language