coffering

A characteristic Roman method was coffering such ceilings.

Inside the Pantheon's single-shell concrete dome is coffering which greatly decreases the weight.

The richly decorated Renaissance interior features coffering, scalloping and sculptures, and is a late work of Renaissance humanism.

Experimentation with the possible shapes of the pole is coffering, which solve problems of mathematical tiling, or tessellation, were a feature of Islamic as well as Renaissance architecture.