Noun
a water pump that uses the kinetic energy of flowing water to force a small fraction of that water to a reservoir at a higher level
Source: WordNetBerdan primed cases require a different technique, either a hydraulic ram or a hook that punctures the case and levers it out from the bottom. Source: Internet
Hydraulic ram pumps A hydraulic ram is a water pump powered by hydropower. Source: Internet
Water-powered pump An alternative to the hydraulic ram is the water-powered pump. Source: Internet
Earlier designs used a pulse of compressed air or a hydraulic ram. Source: Internet
Motive power was provided by an inclined hydraulic ram convert long and convert in diameter in the tower leg with a stroke of convert: this moved a carriage carrying six sheaves. Source: Internet
The hydraulic ram is also sometimes called a gravity pump; in a gravity pump the water is lifted by gravitational force. Source: Internet