hydraulic ram

noun

a device by which the energy of descending water is utilized to raise a part of the water to a height greater than that of the source.

Origin of hydraulic ram

First recorded in 1800–10

Words nearby hydraulic ram

hydraulic mining, hydraulic motor, hydraulic pile, hydraulic press, hydraulic radius, hydraulic ram, hydraulic suspension, hydraulic torque converter, hydraulics, hydraulus, hydrazide

British Dictionary definitions for hydraulic ram

hydraulic ram

noun

any large device involving the displacement of a piston or plunger driven by fluid pressure
a form of water pump utilizing the kinetic energy of running water to provide static pressure to raise water to a reservoir higher than the source