valve

n. device that controls the flow of a liquid through a passage or a pipe; membranous flap that controls the direction and/or flow of bodily fluids; one of two shells in a bivalve mollusc; device which changes the pitch in a wind instrument (Music)

v. set a valve, regulate the flow of liquid by providing a valve

For other uses, see Valve (disambiguation). For the electronic component, see Thermionic valve. A valve is a device that regulates the flow of substances (either gases, fluidized solids, slurries, or liquids) by opening, closing, or partially obstructing various passageways. Valves are technically pipe fittings, but usually are discussed separately.Valves are used in a variety of applications including industrial, military, commercial, residential, transportation.  Plumbing valves are the most obvious in everyday life, but many more are used.
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Valve a membranous fold in a canal or passage that prevents backward flow of material passing through it. [more]Valve - Community and Resources

Noun
1. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
(hypernym) structure, anatomical structure, complex body part, bodily structure, body structure
(hyponym) heart valve, cardiac valve
(part-holonym) heart, pump, ticker
2. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
(hypernym) device
(part-holonym) brass
3. control consisting of a mechanical device for controlling the flow of a fluid
(hypernym) control, controller
(hyponym) accelerator, throttle, throttle valve
(part-meronym) handwheel

n. valve, device that controls the flow of a liquid through a passage or a pipe; membranous flap that controls the direction and/or flow of bodily fluids; one of two shells in a bivalve mollusc; device which changes the pitch in a wind instrument