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

ha \ha\ haum, 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

[2] : WordNet (r) 2.0

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
see also:
hour angle 

Haaretz - English
...Haaretz Daily Newspaper Israel..
http://www.haaretzdaily.com/, score=100, date indexed=October 5, 2005, 9:38 am

Haaretz - English
...Haaretz Daily Newspaper Israel..
http://www.haaretz.com/, score=100, date indexed=October 5, 2005, 4:55 pm

http://www.a-ha.com/, score=97, date indexed=October 5, 2005, 9:38 am

www.Haaretz.co.il
...תערוכות,משחקים,TERROR,פיגוע,התנתקות,שרון,ערפאת,IDF,צהל..
http://www.haaretz.co.il/, score=93, date indexed=October 5, 2005, 8:58 am

GreatDate_Lander: Your Source For smileys - hardyharhar - hardyharhar.com
...GreatDate_Lander: Your Source For smileys - hardyharhar - hardyharhar.com..
http://www.hardyharhar.com/, score=92, date indexed=October 5, 2005, 10:25 am

HomePage: Linux HA
...The Linux-HA project is a widely used and important component in many interesting High.....Although this is called the Linux-HA project, the software is highly portable and runs on.....It seems likely that Linux-HA will achieve this level of competitiveness in 2005 or 2006..
http://www.linux-ha.org/, score=91, date indexed=October 5, 2005, 8:41 am

Xel-Ha - Riviera Maya Mexico Water Theme Park
...Xel-Ha, a place where the best of the Mexican Caribbean nature and comes together in the.....Xel-ha has the most spectacular aquarium of the world inviting you to embark on an aquatic.....The dolphin swim area located at Xel-Ha is designed to reproduce natural conditions..
http://www.xel-ha.com.mx/, score=91, date indexed=October 5, 2005, 8:58 am

a-ha.com

http://www.a-ha.com/frames/a-ha.php, score=91, date indexed=March 27, 2005, 3:06 am

Baja Ha-Ha Cruiser's Rally
...Although the Baja Ha-Ha rally was founded by Latitude 38, it is NOT administered by Latitude.....The Baja Ha-Ha XII 2005 Cruisers Rally will begin October 31. The deadline for entries was.....2005 Baja Ha-Ha, Inc..
http://www.baja-haha.com/, score=90, date indexed=October 5, 2005, 8:30 am

Enhance Interactive - Delivering search marketing value.

http://www.ah-ha.com/, score=90, date indexed=October 5, 2005, 9:32 am

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