'haj' definitions:

Definition of 'haj'

From: WordNet
noun
The fifth pillar of Islam is a pilgrimage to Mecca during the month of Dhu al-Hijja; 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: hajj, haj, hadj]

Definition of 'haj'

From: GCIDE
  • Hadj \Hadj\ (h[a^]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]

Definition of 'haj'

From: GCIDE
  • 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