PUMP, n. [The L. bombus is of the same family, as is the Eng.bombast.] 1. A hydraulic engine for raising water, by exhausting the incumbent air of a tube or pipe, in consequence of which the water rises in the tube by means of the pressure of the air on the surrounding water. There is however a forcing pump in which the water is raised in the tube by a force applied to a lateral tube, near the bottom of the pump.2. A shoe with a thin sole.PUMP, v.i. To work a pump; to raise water with a pump. PUMP, v.t. To raise with a pump; as, to pump water. 1. To draw out by artful interrogatories; as, to pump put secrets.2. To examine by artful questions for the purpose of drawing out secrets. But pump not me for politics.Chain-pump, is a chain equipped with a sufficient number of valves at proper distances, which working on two wheels, passes down through one tube and returns through another. |
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In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 
