Definition of "oil-pump" [oil-pump]

• In machinery, a pump to raise oil from a reservoir and discharge it upon a journal. (noun)
• A pump for pumping oil under pressure through a pipe-line to a burner or to an oil-engine. (noun)
• A sinking-pump for raising oil from a non-flowing well. (noun)

The Century Dictionary (Public Domain)

• "These figures are the result of clever engineering, such as an oil-pump that works only when required, and an energy recovery system that claws back little slugs of juice when coasting and braking."
• "Land Rover has developed a unique, intelligent oil-pump pressure relief valve (PRV) which senses oil pressure deep in the engine's oil galleries to more accurately control oil pump delivery."
• "Bowyer's last DNF came at Phoenix on Nov. 12, 2006, when he finished 33rd due to an oil-pump failure"