from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Either of the two vertical pieces framing a doorway and supporting the lintel. Also called doorpost.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Either of the upright posts on either side of a door, which together support a lintel.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a jamb for a door
door + jamb (Wiktionary)