Definition of "dogtooth" [dog•tooth]

• A canine tooth; an eyetooth. (noun)
• Architecture A medieval ornament consisting of four leaflike projections radiating from a raised center. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The carving upon the arch-mouldings is, to a great extent, geometric, consisting of numerous facets cut in the stone, lozenges, etc.; the so-called dogtooth moulding is a very favorite form of decoration."
• "Another form of calcite which is to be sparingly found is what is called dogtooth spar, having the form shown in Fig. 4."
• "The other classic must-have with a modern twist is Céline's dogtooth patchwork coat with silk lapels £2,350."