What Is the Purpose of a Cupola?

The dome atop this cathedral is known as a cupola.

Cupola is an architectural term referring to a small, domed structure that rests on top of a building. The structure has both practical and decorative functions for the building.

Significance

A cupola is placed on a building for a decorative dome effect, according to Cupola.com. It is most often used for churches, cathedrals and palaces.

Benefits

Cupolas assist in the ventilation of the building, letting in both air and light. They are also sometimes used as belfries or even as lookouts.

Types

Cupolas that are accessible to look out through are sometimes called widow's walks or belvederes, according to the Washington Post. Those with windows are called lanterns and the smallest cupolas are known as monitors.

References

• Cupola: What is a Cupola?
• Archiseek: Glossary of Architectural Terms
• Washington Post: From Barns to Churches, Cupolas Add Interest to the Skyline