A-hā', interj.

interjection

[Ger. aha and haha, Skr. hā, ahō, ahaha.]

  1. An exclamation expressing triumph, contempt, or simple surprise; but the senses are distinguished by very different modes of utterance, and different modifications of features.
  2. A sunk fence, not visible without near approach. [Spelt more commonly hah-hah.] Mason.