πνιγεύς

A. damper, extinguisher, cover of a stove, Ar. Nu. 96, Av. 1001, Arist. Juv. 470a9, PA 654a7; as a votive offering, IG 22.1425.411.

II. hydraulic instrument in which air is pent up: regulator, Hero Spir. 1.42, al.; air-chamber in a water-organ, Ph. Bel. 77.44.

III. muzzle for horses, Ar. Fr. 60, Com.Adesp. 664.