treatises, Friday congregational prayers in which sermons were delivered were restricted to urban centers and normally to one major mosque in each city. Such a mosque is referred to as a masjid jami', that is, a "Friday Mosque" (or a "cathedral mosque"). These mosques were distinguished by their central location, large dimensions, monumental architecture, symbolic furnishings indicative of its exalted stature, and, the most demonstrative of all, the minbar (ritual pulpit).

In contemporary times, Friday