EYETOOTH

canine, canine tooth, eyetooth, eye tooth, dogtooth, cuspid

(noun) one of the four pointed conical teeth (two in each jaw) located between the incisors and the premolars

Source: WordNet® 3.1

Etymology

Noun

eyetooth (plural eyeteeth)

A canine tooth of the upper jaw.

Source: Wiktionary

Eye"tooth, n.; pl. Eyeteeth ( (Anat.)

Definition: A canine tooth of the upper jaw. See Teeth. To cut one's eyeteeth, to become acute or knowing. [Colloq.]

Source: Webster’s Unabridged Dictionary 1913 Edition