valve

• cock
• faucet
• flap
• gate
• hydrant
• lid
• petcock
• pipe
• plug
• shutoff
• spigot
• spout
• stopcock
• stopper
• tap

• noun
  1. A device that controls the flow of a gas or fluid through a pipe.
  2. A device that admits fuel and air into the cylinder of an internal combustion engine, or one that allows combustion gases to exit.
  3. One or more membranous partitions, flaps, or folds, which permit the passage of the contents of a vessel or cavity in one direction, but stop or control the flow in the opposite direction.
  4. One of the leaves of a folding-door, or a window-sash.
  5. A vacuum tube.
  6. One of the pieces into which certain fruits naturally separate when they dehisce.
  7. A small portion of certain anthers, which opens like a trapdoor to allow the pollen to escape, such as in the barberry.
  8. One of the pieces or divisions of bivalve or multivalve shells.
  9. One of the two similar portions of the shell of a diatom.
• verb
  1. To control (flow) by means of a valve.

• The valve in the plumbing system needed to be replaced to stop the leak.
• The doctor explained that a faulty heart valve was causing the irregular heartbeat.
• The steam engine's valve allowed control of the flow of steam to power the locomotive.
• He adjusted the valve on the radiator to regulate the temperature in the room.
• The mechanic inspected the car's engine and found a stuck valve that needed repair.

gates

tap

gate

taps

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