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gambrel roof, gambrel
1. (US) A roof which has two pitches on each side; in Great Britain called a mansard roof.
2. (Brit.) A roof which has a small gable near the ridge on one end; the part of the roof below the gable is inclined. Also see Dutch gambrel roof, English gambrel roof, Flemish gambrel roof, New England gambrel roof, Swedish gambrel roof.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.