Extended Strong's Greek Lexicon (Abbott-Smith based)
army
Usage: στρατιά, -ᾶς, ἡ [in LXX chiefly for צָבָא ;] __1. = στρατός, an army, a host: of angels (3Ki.22:19, al.), Luk.2:13; of the stars of heaven (Jer.8:2, 2Ch.33:3), Act.7:42. __2. As sometimes in cl. (poët.), = στρατεία: 2Co.10:4, T (WH, RV, στρατεία).† (AS)