Illustrated Architecture Dictionary
Jamb
One of a pair of vertical posts or pieces that together form the sides of a door, window frame, or fireplace
Jamb reveal: the part of the jamb of a window or door opening between the outer wall surface and the window or door frame.
Examples from Buffalo architecture:
- Illustration above: Window jamb : Hull House
- Fireplace jambs: General Electric Tower / Niagara Mohawk Building
- Fireplace jambs: Herbert W. Turk House
Other examples:
- Doorway jambs: Governor's Palace, Williamsburg, VA
- Window jambs: University of Virginia, Charlottesville, Virginia
- Portal jambs: Chartres Cathedral, Chartres, France