back observation
Same as backsight.
General
General
back flap, back fold, back shutter
The leaf in a window shutter that folds behind the exposed leaf of the shutter; that part of a window shutter that folds
General
back lining
1. A thin wood strip which lines a window casing, next to the wall and opposite the pulley stile, and
General
back gutter
A gutter installed on the uphill side of a chimney on a sloping roof; used to divert water around the
General
back hearth, inner hearth
That part of the hearth, or floor, which is contained within the jambs of the fireplace.