key
From LSJ
τὸ ἐγδοχῖον τοῦ ὕδατος καὶ τὰ ἐν τῆι πόλει ὑδραγώγια → the water reservoir and the conduits in the city (or on the acropolis)
English > Greek (Woodhouse)
substantive
small keys with three teeth: Ar. κλειδία… τρεῖς ἔχοντα γομφίους (Thesmophoriazusae 421).
Met., see interpretation.
seeing that the place was the key of Sicily: P. ὁρῶντες προσβολὴν ἔχον τὸ χωρίον τῆς Σικελίας (Thuc. 4, 1).