hydraulic ram (English, noun)
expansion: hydraulic ram (plural hydraulic rams)
Senses:
glosses: Used other than figuratively or idiomatically: see hydraulic, ram.
glosses: A water pump in which a flow of water is intermittently halted by a valve so that the flow is forced upward through an open pipe, usually into a reservoir.
glosses: A hydraulic cylinder with a piston activated by pumping hydraulic fluid into the cylinder.
Forms:
form: hydraulic rams
tags: plural