ha /ˈhɑ/
Ha interj. 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.
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HA
n : (astronomy) the angular distance of a celestial point
measured westward along the celestial equator from the
zenith crossing; the right ascension for an observer at a
particular location and time of day [syn: hour angle]