The material and/or area a door is hung or hinged to ( see diagram below)
The metal or wood frame that an entrance door swings.
The top and sides of the door to include the wall framing as well as the actual door frame and trim.
Wood casing surrounding a door. Door opens and closes into this jamb.
the members surrounding a door, especially those on each side and above the door (usually the jamb receives the hinges and latch striker plate)
The part of a door frame that surrounds and contacts the edges of the stiles and the top rail of a door.
Framework surrounding a door opening. Also called a doorpost.
The upper horizontal and the two vertical frame members that house the door panel. Jambs may be classified as head or side jambs.