πνῐγεύς,έως,ὁ, (πνίγω)
A. damper, extinguisher, coverof 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-chamberin a water-organ, Ph. Bel. 77.44 .
III. muzzlefor horses, Ar. Fr. 60 , Com.Adesp. 664 .