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PUMP, noun [The Latin 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, verb intransitive To work a pump; to raise water with a pump

PUMP, verb transitive 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.

PUMP'-BOLTS, noun Two pieces of iron, one used to fasten the pump-spear to the brake, the other as a fulcrum for the brake to work upon.

PUMP'-BRAKE, noun The arm or handle of a pump

PUMP'-DALE, noun A long wooden tube, used to convey the water from a chain-pump across the ship and through the side.