/ Dictionary / Index A arrah: Meaning and Definition of Find definitions for: ar•rah Pronunciation: (ar'u), [key] — interj. Irish. (used as an expression of surprise or excitement.) Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. arrack arraign Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language