Wafer See Tumbler.
Wainscot An ornamental covering of walls, often consisting of wood panels, usually running only part way up the wall.
Wall An exterior wall (see partition).
Ward An obstruction projecting from a lever lock case or side of the key hole intended to block the entrance or rotation of an improperly cut key.
Warded Key One having grooves or notches designed to clear the warding of the lever lock.
Weatherstrip Narrow strip made of metal, or other material, designed so that when installed at doors or windows it will retard the passage of air, moisture or dust around the door or window sash.
Working Drawing A plan of a building, or part of a building, that shows the position of doors, windows and other features required to develop an Architectural Hardware schedule.