A door with bright red doorjamb or doorpost.
doorjamb definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a vertical piece of wood, etc. constituting the side of a doorway
doorjamb definition by American Heritage Dictionary
Either of the two vertical pieces framing a doorway and supporting the lintel. Also called doorpost.