hydraulic ram
nounUK /haɪˈdrɒlɪk ræm/
US /haɪˈdrɔːlɪk ræm/
A hydraulic ram is a machine that uses moving water to push some of that water up higher.
The farm used a hydraulic ram to pump water from the stream up to the house.
RELATED WORDS
OTHER MEANINGS
2. A heavy metal weight or block that is lifted and dropped to strike something.
The machine's hydraulic ram drove the post deep into the ground.
3. The part of a press or machine that pushes down with great force.
The hydraulic ram pressed the metal sheet into shape.
4. A device on a vehicle or machine that uses fluid pressure to push or lift heavy loads.
The dump truck's hydraulic ram lifted the bed to empty the gravel.