General

Said of a building or facility that is accessible to the handicapped.

A gate with one or more horizontal timber rails .

1. A weight measure for portland cement in the US, corresponding to 376 pounds net; this measure is now obsolete.

An arch formed of a curved solid plate or slab, as contrasted with one formed with individual curved members or

A door bolt which moves in a cylindrical casing; not driven by a key.

A ceiling of semicylindrical shape.

Any drain which is cylindrical in shape.