Hajj

n. pilgrimage to Mecca which every Muslim is supposed to do at least once in his or her life (also hadj)

The Hajj (, ) is the pilgrimage to Mecca in Islam. It is the fifth pillar of Islam, an obligation that must be carried out by every able-bodied Muslim who can afford to do so, at least once in their lifetime. It is the demonstration of the solidarity of the Muslim people, and their submission to Allah.
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Noun
1. 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"
(synonym) haj, hadj
(hypernym) pillar of Islam

The fifth of the Five Pillars of Islam. It lays out the goal of each Moslem performing a pilgrimage to Mecca to worship at the Kaba and to rededicate themselves to Allah at sites important in his life. The Hajj is immediately followed by the festival of Eid al-Adha .

A pilgrimage to Mecca