Loop window

Loop window

1.

Loophole Any opening in a parapet or wall to allow for vision, light, or air.

2. A long, narrow, vertical opening, usually widening inward, cut in a medieval wall, parapet, or fortification, for use by archers. See also: French window

Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

loop window

loop windows

A long, narrow, vertical opening, usually widening inward, cut in a medieval wall, parapet, or fortification for use by archers; an arrowloop. (See illustration p. 602.)

McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.