Found 1 items, similar to Snifting valve.
English → English (gcide) Definition: Snifting valve Snifting \Snift"ing\, a. & n. from Snift. [1913 Webster] Snifting valve, a small valve opening into the atmosphere from the cylinder or condenser of a steam engine, to allow the escape of air when the piston makes a stroke; -- so called from the noise made by its action. [1913 Webster]