From WordNet (r) 2.0 (August 2003) [wn]:
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
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Dogtooth \Dog"tooth`\, 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]