pump

Definition

A device for moving or compressing a liquid or gas.

Etymology

From Middle English pumpe, possibly from Middle Dutch pompe (“pipe, water conduit”) or Middle Low German pumpe (“pump”), probably ultimately imitative. Compare Dutch pompen, German pumpen, and Danish pompe; also Spanish bomba (“pump”).

Example Sentences

• "This pump can deliver 100 gallons of water per minute."
• "It takes thirty pumps to get 10 litres; he did 50 pumps of the weights."
• "This pump is out of order, but you can gas up at the next one."