Jisho

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手押しポンプ
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Wikipedia definition
1. Hand pump​Hand pumps are manually operated pumps; they use human power and mechanical advantage to move fluids or air from one place to another. They are widely used in every country in the world for a variety of industrial, marine, irrigation and leisure activities. There are many different types of hand pump available, mainly operating on a piston, diaphragm or rotary vane principle with a check valve on the entry and exit ports to the chamber operating in opposing directions.
Read “Hand pump” on English Wikipedia
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Read “Hand pump” on DBpedia

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