box union
Same as union, 1.
General
box strike plate, box strike
A metal plate on a doorframe into which the bolt of a door lock projects, and which provides a complete
General
box staple
On a doorpost, a socket which receives the end of a lock bolt which secures the door.
General
box stall, loose-box
In barns or stables, an individual compartment in which an animal may move about freely.
General
box stair, closed stair
An interior staircase constructed with a close string on both sides, often enclosed by walls or partitions with door openings