#venturi  a tube with a constriction; used to control fluid flow (as in the air inlet of a carburetor)
  supertype:  tubing__tube  conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct liquids or gases
  part of:  carburetor__carburettor  mixes air with gasoline vapor prior to explosion
     part of:  fuel_system  equipment in a motor vehicle or aircraft that delivers fuel to the engine
        part of:  aircraft  a vehicle that can fly
        part of:  motor_vehicle__motorvehicle__automotive_vehicle  a self-propelled wheeled vehicle that does not run on rails

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