A.fort, citadel, A.Eu.919 (lyr.), IG12.93.17, 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” IG22.1028.22.
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.).