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Dogtooth

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