A device that controls the flow of a gas or fluid through a pipe. / A device that admits fuel and air into the cylinder of an internal combustion engine, or one that allows combustion gases to exit.

(transitive) To control (flow) by means of a valve.

plural of valve

Third-person singular simple present indicative form of valve

simple past tense and past participle of valve

Having valves.

present participle of valve

A relief valve set to open at a pressure below that at which a container (such as a boiler) would burst. / (figuratively) Any mechanism offering relief from pressure or tension, e.g. emotionally.

Alternative form of safety valve

plural of safety-valve