ὄναγρος · onagros — LSJ
= ὄνος ἄγριος, the wild ass, LXX Ps. 103(104).11, Str. 7.4.8, Babr. 67.1, Artem. 4.56 ; θῆλυς ὄ. Opp. C. 3.216 ; title of the Greek original of Plautus’ Asinaria, Prolog. 10 (v.l. Onagos).
a kind of catapult, = μονάγκων, Procop. Goth. 1.21, Lyd. Mag. 1.46, Amm. Marc.23.4.7.