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Noun: valve  valv
  1. A structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
  2. Device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
  3. Control consisting of a mechanical device for controlling the flow of a fluid
  4. The entire one-piece shell of a snail and certain other molluscs
  5. One of the paired hinged shells of certain molluscs and of brachiopods
Verb: valve  valv
  1. To control (flow) by means of a valve

Derived forms: valving, valves, valved

Type of: anatomical structure, bodily structure, body structure, complex body part, control, controller, device, shell, structure

Part of: brass, brass instrument, heart, pump, ticker [informal]

Encyclopedia: Valve, LLC