φρώριον

A. fort, citadel, A. Eu. 919 (lyr.), IG 12.93.17, etc.; ἀντὶ τοῦ πόλις εἶναι φρούριον κατέστη Th. 7.28: esp. hill-fort, as distd. from a fortified town, Id. 2.18, 3.18,51, Lys. 12.40, X. Cyr. 1.4.16, etc.; βίον ὡς οἰκτρὸν ἐξαντλοῦσιν οἱ τὰ φ. τηροῦντες Men. 74; τὰ φ. καὶ τὰ ὅρια τῆς Ἀττικῆς IG 22.1028.22.

2. prison, of the body, Pl. Ax. 366a.

II. garrison, of a place, A. Pr. 801 (where Sch. also expl. by thing to be guarded against); φυλασσόμεσθα φρουρίοισι E. Or. 760 (troch.); πόλεως φ., of the Areopagites, A. Eu. 949 (anap.).