hydraulic pump is a noun meaning "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". It carries one recorded sense.
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
Definitions, synonyms and semantic relations for hydraulic pump come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.