Word Study
hadj
CIDE DICTIONARY
hadj, 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. [1913 Webster]
For further exploring for "hadj" in Webster Dictionary Online