oil pump

Noun
  1. A pump that keeps a supply of oil on moving parts (synset 103850070)
    is a type of: pump - a mechanical device that moves fluid or gas by pressure or suction
    is a part of: force feed, force-feed lubricating system, lubricating system, pressure feed, pressure-feed lubricating system - mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings

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