WordWeight : Weighing the Words

Pronunciation : Ha (hal)
Part of Speech : interj.
Etymology : [AS.]
Definition : Defn: An exclamation denoting surprise, joy, or grief. Both as uttered and as written, it expresses a great variety of emotions, determined by the tone or the context. When repeated, ha, ha, it is an expression of laughter, satisfaction, or triumph, sometimes of derisive laughter; or sometimes it is equivalent to "Well, it is so." Ha-has, and inarticulate hootings of satirical rebuke. Carlyle.
Source : Webster's Unabridged Dictionary, 1913