ὕδωρ epic also ὕδει as if from ὕδος
1.water, of any kind, but in Hom. rarely of sea-water (which he calls ἁλμυρὸν ὕδωρ); — also in pl., ὕδατ᾽ αἰενάοντα Od.; ὕδατα Καφίσια the waters of Cephisos, Pind.:— ὕδωρ κατὰ χειρός water for washing the hands, Ar.; ὕ. ἐπὶ χεῖρας ἔχευαν Hom.—Proverbs., γράφειν τι εἰς ὕδωρ of anything untrustworthy, Soph.; ἐν ὕδατι γρ. Plat.; ὅταν τὸ ὕδωρ πνίγῃ, τί δεῖ ἐπιπίνειν; if water chokes, what more can be done? of a desperate case, Arist.
2.rain-water, rain, Il., Hdt., attic;—more definitely, ὕδωρ ἐξ οὐρανοῦ Thuc., etc.; Ζεὺς ὕδωρ ὕει, ὁ θεὸς ὕδωρ ποιεῖ Ar.
4.in attic law-phrase, τὸ ὕδωρ was the water of the water-clock (κλεψύδρα), Dem.; ἐν τῷ ἐμῷ ὕδατι, ἐπὶ τοῦ ἐμοῦ ὕδατος in the time allowed me, id=Dem.; οὐκ ἐνδέχεται πρὸς τὸ αὐτὸ ὕ. εἰπεῖν one cannot say (all) in one speech, id=Dem.; ἐπίλαβε τὸ ὕ. stop the water (which was done while the speech was interrupted by the calling of evidence and reading of documents), id=Dem.; ἀποδιδόναι τινὶ τὸ ὕ. to give him the turn of speaking, Aeschin.