Webster's Revised Unabridged Dictionary · 1913

Heterodont

Heterodont , adjective

[Hetero- + Greek {not transcribed}, {not transcribed} a tooth.]

(Anatomy) Having the teeth differentiated into incisors, canines, and molars, as in man; -- opposed to homodont.

Heterodont , noun

(Zoology) Any animal with heterodont dentition.