(Arch.) An ornament common in Gothic architecture, consisting of pointed projections resembling teeth; also called tooth ornament.
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)
... this bit of river awakened her interest; Blackbird Island was clearly described: Buffalo Island harked back many years into tradition; Dogtooth Island was a matter of river shape; but Saladin, Tow Head and Orient Field stirred her imagination, for they might reveal the scene of steamboat disasters or some surveyor's memory of the Arabian Nights. ... — The River Prophet • Raymond S. Spears
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