dogtooth

from The American Heritage® Dictionary of the English Language, 5th Edition.

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

from The Century Dictionary.

• In architecture, an epithet applied to an ornamented molding cut in projecting teeth, of frequent occurrence in early medieval architecture.
• noun Dog-tooth molding.
• noun The canine tooth of man; a canine. Also called eye-tooth.
• noun A popular English name of the shells of Dentalium.
• noun A steel punch used in working marble.
• To ornament (an arch or other part of a building) by applying dog-tooth molding. See dog-tooth, a. and n.

from the GNU version of the Collaborative International Dictionary of English.

• noun See Canine tooth, under canine.
• noun (Arch.) An ornament common in Gothic architecture, consisting of pointed projections resembling teeth; -- also called tooth ornament.
• noun (Min.) a variety of calcite, in acute crystals, resembling the tooth of a dog. See Calcite.
• noun (Bot.) a small, bulbous herb of the Lily family (genus Erythronium). It has two shining flat leaves and commonly one large flower.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A canine tooth
• noun architecture An ornament common in Gothic architecture, consisting of pointed projections resembling teeth .

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a carved pyramidal ornament; used in 13th century England
• noun perennial woodland spring-flowering plant; widely cultivated
• noun one of the four pointed conical teeth (two in each jaw) located between the incisors and the premolars