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

haj \haj\, hajj \hajj\n.
   a pilgrimage to mecca; every muslim must make this journey at
   least once. also spelled hadj.

   syn: hadj, haj.
        wordnet 1.5 haji
see also:
hadj 

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

hadj \hadj\ ha^j, n. ar. hajj, fr. hajja to set out, walk,
   go on a pilgrimage.
   the pilgrimage to mecca, performed by mohammedans. it is the
   duty of moslems to make a journey to mecca at least once ina
   lifetime, or if that is not possible, three journeys to one
   of the alternate sacred sites. also spelled haj and
   hajj.
   1913 webster +pjc
see also:
haj hajj 

[3] : WordNet (r) 2.0

hajj
     n : the fifth pillar of islam is a pilgrimage to mecca during
         the month of dhu al-qadah; at least once in a lifetime a
         muslim is expected to make a religious journey to mecca
         and the kaaba; "for a muslim the hajj is the ultimate act
         of worship" syn: haj, hadj
     also: hajjes pl
see also:
haj hadj hajjes 

Hajj >> H Words
Hajj, definition of term: Hajj
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