| hydraulic ram n. 1. A water pump in which the downward flow of naturally running water is intermittently halted by a valve so that the flow is forced upward through an open pipe into a reservoir. 2. The large output piston of a hydraulic press. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  hydraulic ram - 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 levelpump - a mechanical device that moves fluid or gas by pressure or suction |
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