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Baroque coffered ceiling of the cupola of S. Carlo alle Quattro Fontane, Rome, designed by —SCALA/Art Reference
In architecture, a square or polygonal ornamental sunken panel used in a series as decoration for a ceiling or vault. Coffers were probably originally formed by wooden beams crossing one another to produce a grid. The earliest surviving examples were made of stone by the ancient Greeks and Romans. Coffering was revived in the Renaissance and was common in Baroque and Neoclassical architecture.
This entry comes from Encyclopædia Britannica Concise. For the full entry on coffer, visit Britannica.com.