A slender, grooved lead bar used to hold together the panes in stained glass or lattice windows.
A six-lobed circle or arch formed by cusping. Used in windows and arches.
The stone, brick or cement structure that projects into a room and contains the fireplace flue.
The outward force exerted by an arch or a vault that must be counterbalanced by buttresses.
Narrow arches set one within the other to form a larger arch. Commonly found in church design.
A roof with sharp edges at intersection of cross-vaults.
A vault produced by the intersection at right angles of two barrel vaults.
The trunk of a column between the base and the capital.
The roll forming the side of an Ionic capital.
Decoration formed by folded, crossed, and sometimes interlaced thin strip – suggestive of leather straps – either applied (usually glued) or carved in wood, stone, or plaster.