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dogtooth, tooth ornament
1. An ornament in medieval architecture and derivatives, of more or less elaborate motif, usually pyramidal with notched sides, the diagonal portions usually resembling petals or leaves which radiate from the raised point.
2. A brick laid with its corners projecting from the wall face.
tooth ornament, dogtooth
A decoration, generally in the hollow of a Gothic molding, consisting of four-leaved flowers, the centers of which project in a point.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.