dogtooth

(noun) perennial woodland spring-flowering plant; widely cultivated. Synonyms: dogtooth violet, dog's-tooth violet.

(noun) one of the four pointed conical teeth (two in each jaw) located between the incisors and the premolars. Synonyms: canine, canine tooth, eyetooth, eye tooth, cuspid.

(noun) a carved pyramidal ornament; used in 13th century England.