Bay.—The compartment of a church formed by the buttresses or pilasters on the walls, the main arches or pillars, the ribs of the vaulting, or other features which separate the building into corresponding portions.

Campanile.—A bell tower.

Cavetto.—A concave moulding of a quarter of a circle, used in classical and other styles of architecture.

Chamfer.—To cut off angles.

Clerestory or Clear-Story.—An upper storey, or row of windows in a Gothic church; so called to distinguish it from the blind-storey, or triforium.

Corbel.—A projecting stone or piece of timber supporting a weight.

Corbel-Table.—A row of corbels.

Credence.—A small table or shelf near the altar on which the bread and wine were placed before they were consecrated.

Crocket.—A bunch of projecting flowers or foliage decorating pinnacles, arches, etc.

Cusps.—The projecting points in Gothic tracery, or inside an arch; sometimes worked at the ends with leaves, flowers, or heads.