Definition of "valve-gear" []

• Mechanism employed in operating a valve. (noun)

The Century Dictionary (Public Domain)

• "It was not yet time to start the engine, but Croly sprang to the valve-gear to let on the steam."
• "Larry had wheeled about the instant he saw Joe start in obedience to his call, and he was in time to see Croly again in the act of seizing the valve-gear."
• "The youth reached the valve-gear at the same time, and the hands of both grasped the wheel."