A horizontal cross member which forms part of the framework of a door; connects the hinge stile to the lock […]

1. See doorjamb. 2. A heavy post that frames one side of a doorway; in the past, doors were sometimes

The boxing or chamber in a wall which receives a sliding door when it is in the open position.

A plate on the exterior side of a door which gives the name of the occupant, apartment number, or the

On elevators, a device or assembly of devices which opens and closes a car door and/or hoistway door by power

The size of the doorframe opening measured from jamb to jamb and from floor line or threshold to head of

1. A large-headed nail against which the knocker strikes. 2. A large-headed nail used to decorate or strengthen a door.