A hole which passes completely through a material.

The lateral bracing in the plane of the bottom chords of a truss.

The upward movement of soil in the base of an especially large excavation.

The lower longitudinal member of a truss.

A bolt at the bottom of a door; locks by slipping into a socket in the floor; may be held

A room for the storage of bottled goods such as beer and ale.

On a sheet-lead roof, an edge which is rounded to form a drip.