Source : Webster's Revised Unabridged Dictionary (1913)

Dogtooth \Dog"tooth`\, 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.

   {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}.]

Source : WordNet®

dogteeth
     See {dogtooth}

dogtooth
     n 1: perennial woodland spring-flowering plant; widely cultivated
          [syn: {dogtooth violet}, {dog's-tooth violet}]
     2: one of the four pointed conical teeth (two in each jaw)
        located between the incisors and the premolars [syn: {canine},
         {canine tooth}, {eyetooth}, {eye tooth}, {cuspid}]
     3: a carved pyramidal ornament; used in 13th century England
     [also: {dogteeth} (pl)]