/ Dictionary / Index A aha: Meaning and Definition of Find definitions for: a•ha Pronunciation: (ä-hä', u-hä'), [key] — interj. (used as an exclamation of triumph, mockery, contempt, irony, surprise, etc., according to the manner of utterance.) AHA Pronunciation: [key] American Heart Association. A.H.A. Pronunciation: [key] American Historical Association. American Hospital Association. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ah Ahab Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language