Definition of side valve in English:

side valve


  • A valve in an internal combustion engine mounted alongside the cylinder.

    • ‘Twenty of these engines had side valves; the remainder were overhead valve engines.’
    • ‘Gasoline engines with overhead valves are less polluting than those with side valves.’
    • ‘Three more prototype cars were built, chassis number A3 was the third Aston Martin ever built and is the oldest in existence with a 1.5 litre 11 hp four cylinder side valve.’