n.; pl. Dogteeth 1. See Canine tooth, under Canine. [ 1913 Webster ] 2. (Arch.) An ornament common in Gothic architecture, consisting of pointed projections resembling teeth; -- also called tooth ornament. [ 1913 Webster ] 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. [ Written also dog's-tooth violet. ] [ 1913 Webster ]
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