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A concealed door flush with the wall and usually decorated to match it. See also: Dutch door
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
jib door, gib door
A door which is flush with, and treated in the same manner as, the surrounding wall so as to be concealed; has no visible hardware on the room side.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.