Sash window

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Sash window

1. A window formed with glazed frames that slide up and down in vertical grooves using counterbalanced weights.
2. A window formed with glazed frames that slide up and down in vertical grooves by means of counterbalanced weights. See also: French window
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

sash window

Any window having a sliding (vertically or horizontally) or hung sash, but usually a double-hung window.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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