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The Collaborative International Dictionary
Pump brake

Pump \Pump\, n. [Akin to D. pomp, G. pumpe, F. pompe; of unknown origin.] An hydraulic machine, variously constructed, for raising or transferring fluids, consisting essentially of a moving piece or piston working in a hollow cylinder or other cavity, with valves properly placed for admitting or retaining the fluid as it is drawn or driven through them by the action of the piston.

Note: for various kinds of pumps, see Air pump, Chain pump, and Force pump; also, under Lifting, Plunger, Rotary, etc.

Circulating pump (Steam Engine), a pump for driving the condensing water through the casing, or tubes, of a surface condenser.

Pump brake. See Pump handle, below.

Pump dale. See Dale.

Pump gear, the apparatus belonging to a pump.
--Totten.

Pump handle, the lever, worked by hand, by which motion is given to the bucket of a pump.

Pump hood, a semicylindrical appendage covering the upper wheel of a chain pump.

Pump rod, the rod to which the bucket of a pump is fastened, and which is attached to the brake or handle; the piston rod.

Pump room, a place or room at a mineral spring where the waters are drawn and drunk. [Eng.]

Pump spear. Same as Pump rod, above.

Pump stock, the stationary part, body, or barrel of a pump.

Pump well. (Naut.) See Well.