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1. A valve that regulates the supply of fuel to the engine
   - accelerator, throttle valve
    
2. A pedal that controls the throttle valve
   "he stepped on the throttle";
   - accelerator, accelerator pedal, gas pedal [N. Amer], gas [N. Amer]

1. Place limits on (extent, amount or access)
   - restrict, trammel, limit, bound, confine
    
2. Kill by squeezing the throat of so as to cut off the air
   - strangle, strangulate
    
3. Reduce the air supply
   "throttle a carburettor";
   - choke

Derived forms: throttling, throttled, throttles

Type of: enrich, foot lever, foot pedal, kill, pedal, treadle, valve

Part of: aeroplane [Brit], airplane [N. Amer], auto [informal], autocar [archaic], automobile [N. Amer], car, fuel system, motorcar, plane, wheel [informal], whip [US, informal]

Encyclopedia: Throttle