n. A sound made in imitation of laughter. interj. Used to express amusement or scorn. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
n. See sunk fence. [French, exclamation of surprise, ha-ha (from its being designed not to be seen until closely approached).] |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.