Lewis & Short

Mŏnŏdūs, ontos, m. [μονόδους, onetoothed], a son of Prusias, who had only a solid bone instead of teeth.
So, also, Pyrrhus, king of the Epirotæ, Paul. ex Fest. p. 148 Müll.; cf. Plin. 7, 16, 15, § 69; Val. Max. 1, 8, 12 ext.