epistomium
ĕpistŏmĭum, v. epitonium.
EPISTOMIUM
EPISTO´MIUM(ἐπιστόμιον). [FISTULA]
Epistomium
(ἐπιστόμιον). The cock of a waterpipe, or of any vessel containing liquids to be drawn off in small quantities when required (Vitruv. ix. 8, 11). The illustration represents an original bronze water-cock found at Pompeii.