Ha

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Ha \Ha\ (h[aum]), interj. [AS.]
     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."
     [1913 Webster]
  
           Ha-has, and inarticulate hootings of satirical rebuke.
                                                    --Carlyle.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  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}]