Buttress
A mass of stone or brick built against or as part of a wall to provide additional strength to it.
Sprowston Hall. Prominent buttresses can be seen on the far wall of the hall.
Courtesy of
A mass of stone or brick built against or as part of a wall to provide additional strength to it.
Sprowston Hall. Prominent buttresses can be seen on the far wall of the hall.
Courtesy of