Diocletian Windows Guide

While they serve a functional purpose in lighting large spaces, they are most significant as a stylistic hallmark that bridges ancient Roman engineering with the Renaissance Revival styles of the 18th and 19th centuries.

A is a large, semicircular window that is divided into three sections (lights) by two vertical mullions (support posts). The central section is typically wider than the two side sections. The entire composition is framed by a prominent arch. diocletian windows

The form was rediscovered during the Renaissance by architects like , who studied Roman ruins. While they serve a functional purpose in lighting

If you are studying for an exam, writing a historical report, or designing a Neoclassical building, remember: – that’s a Diocletian window. writing a historical report