Trail:

Glossary

Sub-cusping
Cusping (projecting points formed by curves, especially within the tracery of Gothic architecture) in which the sides of the cusps have smaller cusps in turn.
Sunk chamfer
A deeply recessed surface, formed by cutting into a square edge or corner.
Superimposed orders
1834-6 by Thomas Hopper
Classical orders on successive levels, customarily in the upward sequence of Tuscan, Doric, Ionic, Corinthian, Composite.
Suspension bridge
A bridge with the roadway suspended from cables or chains slung between towers or pylons.
Swag
Ornament in the form of drapery suspended from both ends. Compare festoon.
Swan-neck pediment
A broken pediment with double-curved sides.
System building
System of manufactured units assembled on site. Also called industrial building.

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