cuff(redirected from French cuffs)
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i. Specially shaped pieces of sheet metal attached to the leading edge of the wings to increase camber and to improve slow-speed handling characteristics.
ii. A thin, sheet metal, airfoil-shaped covering over the shank of a propeller blade, which forces air through the cowling of an air-cooled engine.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved