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Webster Dictionary (0.00 / 0 votes) Rate this definition: Sash (noun) a scarf or band worn about the waist, over the shoulder, or otherwise; a belt; a girdle, -- worn by women and children as an ornament; also worn as a badge of distinction by military officers, members of societies, etc. Sash (verb) to adorn with a sash or scarf. Sash (noun)
The name hung sash window is more usual in the United States, and typically refers to a double-hung window with two sash that can move up and down in the window frame.These windows are commonly found in older buildings in warmer climates as they are easy to clean and promote airflow. single hung window has two sash but normally the top sash is fixed and only the bottom sash slides. Triple and quadruple hung windows are used for tall openings, common in New England churches. Construction is usually of softwood, and these sash were traditionally only single-glazed.