valve

1. is a type of: anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing and its construction and arrangement
   subtypes:

   • cardiac valve, heart valve - a valve to control one-way flow of blood
   • valvelet, valvula, valvule - a small valve
   • ileocecal valve - valve between the ileum of the small intestine and the cecum of the large intestine; prevents material from flowing back from the large to the small intestine
   is a part of: heart, pump, ticker - the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body
2. is a type of: device - an instrumentality invented for a particular purpose
   is a part of: brass, brass instrument - a wind instrument that consists of a brass tube (usually of variable length) that is blown by means of a cup-shaped or funnel-shaped mouthpiece
3. is a type of: control, controller - a mechanism that controls the operation of a machine
   subtypes:

   • accelerator, throttle, throttle valve - a valve that regulates the supply of fuel to the engine
   • ball valve - any valve that checks flow by the seating of a ball
   • butterfly valve - a valve in a carburetor that consists of a disc that turns and acts as a throttle
   • choke - a valve that controls the flow of air into the carburetor of a gasoline engine
   • clack, clack valve, clapper valve - a simple valve with a hinge on one side; allows fluid to flow in only one direction
   • exhaust valve - a valve through which burned gases from a cylinder escape into the exhaust manifold
   • intake valve - a valve that controls the flow of fluid through an intake
   • poppet, poppet valve - a mushroom-shaped valve that rises perpendicularly from its seat; commonly used in internal-combustion engines
   • escape, escape cock, escape valve, relief valve, safety valve - a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
   • slide valve - valve that opens and closes a passageway by sliding over a port
   has:

   • handwheel - control consisting of a wheel whose rim serves as the handle by which a part is operated
   • handwheel - a wheel worked by hand
4. is a type of: shell - the hard largely calcareous covering of a mollusc or a brachiopod
5. is a type of: shell - the hard largely calcareous covering of a mollusc or a brachiopod

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