LeftSnow

Cusp

In architecture, the intersections of lobed or scalloped forms, particularly in arches (cusped arches) and in tracery. Thus the three lobes of a trefoil (cloverleaf form) are separated by three cusps. Cusped forms appear commonly in early Islamic work, as in the Mosque of Ahmad ibn Tulun at Cairo (c. 879), and were especially common in the Moorish architecture of North Africa and

posted by LeftSnow @ 7:52 PM