jamb
jam
- n upright consisting of a vertical side member of a door or window frame
- Chances are, the Scooba will respect a door jamb or other low boundary separating your kitchen and bathrooms from the rest of the house.
- When the walls were strengthened, they took to the jackscrew to force wedges between the door and the jamb.
- On the front porch of the church is a thin John the Disciple carved on the median jamb of the red double doors.