Nouns

(n)dogtooth violet, dogtooth, dog's-tooth violetperennial woodland spring-flowering plant; widely cultivated
(n)canine, canine tooth, eyetooth, eye tooth, dogtooth, cuspidone of the four pointed conical teeth (two in each jaw) located between the incisors and the premolars
(n)dogtootha carved pyramidal ornament; used in 13th century England