cupola.

A small dome or dome-like structure crowning a roof, sometimes admitting light or air.

Use it for

Words that belong together

• copper cupola
• glazed cupola
• cupola above the roof

On the page

The copper cupola had turned green above the town hall.

Light from the glazed cupola fell onto the stairwell.

A weather vane spun on the cupola as the storm approached.

Usage notes

Primary category: architecture. Smaller and more localized than the building's main dome; not always accessible from inside. Count noun: cupolas.