ὑδρορρόα

English (LSJ)

ἡ, but in Att. also ὑδρορρόη acc. to Moer.p.381 P., and so Polyaen.1.37: (ῥοή):—

   A water-course, whether on the ground, conduit, sluice, Ar.Ach.922,1186; or on the roof, gutter, spout, Id.V.126; ἀπὸ τῶν ὀφθαλμῶν ὑδρορρόαι δύο ῥέουσιν Eub.98.4.    II = ὕδρωψ, AB312.    III a hidden rock in the sea, acc. to (the error of) Sch.Ar.Ach.1181.