beam ceiling[′bēm ‚sē·liŋ]
A ceiling having the beams exposed to view.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A ceiling formed by the underside of the floor, exposing the beams that support it; also applies to a false ceiling imitating exposed beams.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
1. A ceiling, usually of wood, made in imitation of exposed floor beams with the flooring showing between.
2. The underside of a floor, showing the actual beams, and finished to form a ceiling.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.