1. the style of architecture developed in the Byzantine Empire developed after the 5th century; massive domes with square bases and round arches and spires and much use of mosaics;
WordNet (r) 3.0 (2006):
Byzantine architecture
n 1: the style of architecture developed in the Byzantine Empire
developed after the 5th century; massive domes with square
bases and round arches and spires and much use of mosaics