Lewis & Short

ūnŏcŭlus, a, um, adj. [unus-oculus], one-eyed: Cyclops, Att. ap. Gell. 3, 11, 5: gens (Arimaspi), Sol. 15 med.
Subst.:
ūnŏcŭlus, i, m., a one-eyed person, Plaut. Curc. 3, 22 sqq.