A.means for carrying water, water-pipe, made of leather, Hdt.3.9; when carried underground, sts. of wood, IG12.373.64, 66,22.1672.305; of stone, ὀ. λίθινος κρυπτός ib.7.4255.5 (Oropus, iv B. C.); material not named, Th.6.100, Pl.Phd.112c, etc.; “τοὺς προϋπάρχοντας ὀ. κρυπτοὺς ποιεῖν” OGI483.74 (Pergam.); conduit, channel, Arist.Pol.1303b13, al.; ὀ. μετέωροι open drains, Id.Ath.50.2, OGI483.63 (Pergam.); = ἀφεδρών, Ev.Marc.7.19 (cod. D).
2. in Anatomy, τῆς ἀρτηρίας ὀχετοί ducts leading to the lungs, Pl.Ti.70d; “οἱ τοῦ αἵματος ὀ.” Poll.2.217; of the urinal and intestinal canals, Hp. Art.48, 50, X.Mem.1.4.6; ὥσπερ ἐξ ὀχετῶν (of sweat), Hp.Epid.6.3.1.