from The Century Dictionary and Cyclopedia
- n. A cover-plate; a plate that covers all or a part of a valve to relieve it of pressure, thus enabling it to be more easily moved. See pressure-plate.
- n. A cover-plate so arranged that if the pressure from underneath the valve exceeds the normal or desired limit, the plate will lift, thus relieving the excess pressure.
Sorry, no etymologies found.
Sorry, no example sentences found.