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A choke is a device that obstructs or restricts passage or flow. In the context of engines, a choke is a valve that reduces air intake, allowing a richer fuel mixture for starting a cold engine. This choke valve is gradually opened as the engine warms up.12

Chokes can also refer to a constriction in an oil well that limits flow, or a narrowing at the muzzle of a shotgun that controls the spread of shot. The term can also refer to the inedible center of an artichoke flower head.1

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2 Britannica Sources
  1. choke
  2. carburetor

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