Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.devoted to Ares, warlike, martial; in Hom., mostly of warriors, “Μενέλαος Ἀρήιος” Il.3.339, al.; “Ἀρήϊοι υἷες Ἀχαιῶν” 11.800, al.; of arms, “Ἀρήϊα τεύχεα δύω” 6.340, cf. 10.407; the Att. form only in the phrase “τεῖχος Ἄρειον” 4.407, al.; also in Hdt., ἀρήιοι ἀγῶνες conflicts in real war, opp. γυμνικοί, 9.33; “ὅπλον ἀ.” 4.23; of a man, as Subst., warrior, 6.98; “Ἀθηνᾶ Ἀρεία” OGI 229.70 (Smyrna), cf. IG12(5).913 (Tenos): Comp. ἀρειότερος (q.v.) Thgn.548 is prob. formed from ἀρείων, as χερειότερος from χερείων.

2. Ἄρειος (also Ἄρεος, Ἄρηος）, ὁ (sc. μήν), name of month in Thessaly, GDI1449, etc.

3. Ἄρειον πεδίον, = Campus Martius, D.H.7.59, Plu.Pomp.53 (also name of a plain in Thrace, Plb.13.10.7); τῶν τελῶν τὸ καλούμενον Ἄρειον, = legio Martia, App.BC3.45; Ἄρεια, τά, = ludi Martiales, D.C.56.46.

4. Ἄρειον, τό, = ξιφίον, Ps.-Dsc.4.20; = ἰσάτις, Id.2.184.

II. = Ἄριος, Μάγοι καὶ πᾶν τὸ Ἄρειον γένος Dam.Pr.125.