anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical structure; "he has good bone structure"

ticker, heart, pump - the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions pump blood through the body; "he stood still, his heart thumping wildly"

cardiac valve, heart valve - a valve to control one-way flow of blood

valvelet, valvula, valvule - a small valve (or valve-like structure)

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

brass - a wind instrument that consists of a brass tube (usually of variable length) blown by means of a cup-shaped or funnel-shaped mouthpiece

device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"

throttle, throttle valve, accelerator - 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 valve, clapper valve, clack - a simple valve with a hinge on one side; allows fluid to flow in only one direction

controller, control - a mechanism that controls the operation of a machine; "the speed control on his turntable was not working properly"; "I turned the controls over to her"

exhaust valve - a valve through which burned gases from a cylinder escape into the exhaust manifold

handwheel - control consisting of a wheel whose rim serves as the handle by which a part is operated

handwheel - a wheel worked by hand

intake valve - a valve that controls the flow of fluid through an intake

poppet, poppet valve - a mushroom-shaped valve that rises perpendicular from its seat; commonly used in internal-combustion engines

escape cock, escape valve, relief valve, safety valve, escape - 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