Glossary

Tracery hanging from the soffit of an arch.

In plumbing, a special individual vent which connects to a drain or vent pipe at a point below the fixture

A vertically sliding window in which the sash can descend into an opening below the sill so that the entire

The electric conductor extending from an outdoor pole to a building.

1. One of the cylinders of stone which form a column. 2. A round or polygonal wall below a dome,