Definition: Antiquartan refers to a type of architectural style found in European Renaissance periods, characterized by an elaborate use of brick piers and pilasters for decorative elements rather than structural support. This style often features symmetrical designs with intricate friezes depicting scenes from Greek mythology or medieval times. The term 'antiquartan' is used historically for describing the architectural styles of churches and other public buildings during this period, reflecting the grandeur and opulence of those times.