Definitions for "Basement window"
A sash unit, usually of the in-swinging awning or hopper type, used for basement or cellar sash openings. Any operating type may be tested as a basement window provided they are intended to be installed at or below grade to ventilate a basement or cellar area.
A window opening installed in the basement wall. Basement windows are occasionally below the finish grade level and will be surrounded on the exterior by a window well. Learn more about basements.
Wood or metal in-swinging sash that is hinged at either the top or bottom.