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a rail alongside a stairway, etc., at a convenient height to be grasped to provide support
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
A narrow rail to be grasped by a person for support.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
1. A bar of wood or other material passing from one post or other support to another; a hand support along a stairway.
2. A structure consisting of rails and their sustaining posts, balusters, or pillars, and constituting an enclosure or a line of division, as a balcony rail.
3. A horizontal piece in a frame or paneling as a door rail, or in the framework of a window sash.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.