Roof plate(redirected from Alar plate)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
A horizontal structural member that receives and supports the lower ends of the rafters of a roof; same as top plate, 1 or wall plate.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.