
The vertical side of a door or window opening between the frame and the wall surface. Photo from Yorktown Battlefield, Yorktown, Virginia, 2019. (Poppeliers, 1983)
Synonyms:
reveals, revel

The vertical side of a door or window opening between the frame and the wall surface. Photo from Yorktown Battlefield, Yorktown, Virginia, 2019. (Poppeliers, 1983)