Extended Strong's Greek Lexicon (Abbott-Smith based)
to arm
Usage: ὁπλίζω (ὅπλον), [in Sm.: Jer.52:25 * ;] to make ready, equip; of soldiers, to arm. Mid., to arm oneself; figuratively, ἔννοιαν: 1Pe.4:1 (cf. θράσος ὁ., Soph., Elec., 995), (cf. καθ-ὁπλίζω).† (AS)