Square or polygonal panels set into a ceiling and often decorated with ornamental motifs.

A ceiling with recessed square panels, bordered with trim for ornamental purposes.

A ceiling in which the beams and cross-beams leave a regular pattern of square or multi-sided sunken panels, or coffers, each of which is often decorated with moulded, carved or painted decoration.

A suspended ceiling made of a series of "coffers"—or open rectangular boxes—common to both Japanese and Western architecture.

Ceiling which has sunken panels in a box-like structure.