DictionaryjambFrame side
noun

jamb

JAM/dʒæm/

A vertical side piece of a door or window frame.

The vertical jamb forms one side of the wooden doorframe.

Close timber doorframe with its two vertical side jambs highlighted muted blue, top horizontal lintel remains natural wood, door ajar.
Etymology

The idea of bending at a joint led to a word for a leg. A door or window’s upright side post was then pictured as its leg.

In context

Stud Pack3:41
when we put this on the jamb when i mortise this side into the door jamb i'm not gonna have any gap between the door and the jamb
How to Build a Custom Door Jamb (and Hang Your Salvage Doors!!)

More examples

  • The door hinges attach to the jamb with long screws.
  • Water has damaged the wooden jamb beside the window.
  • Measure the distance between the two jambs before ordering a door.

Forms

jamb · jambs

Similar words

post
A vertical support, not specifically part of an opening's frame.
upright
Any vertical structural member, not specifically a frame's side.