A low freestanding wall at the edge of a roof, frequently curved; as found many in Spanish missions of the southwestern United States.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
In Spanish Colonial architecture, a low, freestanding wall at the edge of a roof (i.e., a parapet) whose upper edge has two or more curves on each side of the uppermost point.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.