ὁπλο-μᾰχέω · hoplo-macheō — LSJ
serve as a man-at-arms: practise the use of arms, Isoc. 15.252, Arist. Ath. 42.3, Plu. Cam. 37, Gal. 6.42, etc.
to be a drill-sergeant (ὁπλομάχοςII), Abh.Berl.Akad. 1925(5).7 (Cyrene), IG 2(2).957.47 (ii B. C.), 3.1085 (i A. D.).