/ Dictionary / Index A ARU: Meaning and Definition of Find definitions for: ARU Pronunciation: [key] — Computers. Computers. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Artzybashev Aruba Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language