snifting valve

noun

a valve for releasing small quantities of steam, compressed air, or condensate, as from the cylinder of a steam engine.

Origin of snifting valve

First recorded in 1870–75

Words nearby snifting valve

sniffish, sniffle, sniffles, sniffy, snifter, snifting valve, snig, snigger, snigging chain, sniggle, sniglet