LSJ
ωνος, ὁ, = Lat. mirmillo (murmillo), a light-armed gladiator, CIG 3392 (Smyrna); μορμίλλων, pl. -ονες, IG 12(8).547 (Thasos); μουρμίλλων, CIG 2889 (Milet.); μυρμύλλων, IGRom. 1.773 (Hadrianopolis).
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)