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To raise with a pump, as water or other liquid.

That which is raised by pumps, or the work done by pumps. The pumpage last year amounted to . . . gallons. Sci. Amer.

One who pumps; the instrument or machine used in pumping. Boyle.

A sort of bread, made of unbolted rye, which forms the chief food of the Westphalian peasants. It is acid but nourishing.

A pompet. Pumpet ball (Print.), a ball for inking types; a pompet.

a. & n. from pump. Pumping engine, a steam engine and pump combined for raising water. See Steam engine.

See Pumpkin.

ant (Cucurbita pepo) and its fruit, -- used for cooking and for feeding stock; a pompion. Pumpkin seed. (a) The flattish oval seed of the pumpkin. (b) (Zoöl.) The common pondfish.

A kind of pump for exhausting air from a vessel or closed space; also, a pump to condense air of force in into a closed space.

A pump consisting of an endless chain, running over a drum or wheel by which it is moved, and dipping below the water to be raised. The chain has at intervals disks or lifts which fit the tube through which the ascending part passes and carry the water to the point of discharge.

A pump having a solid piston, or plunger, for drawing and forcing a liquid, as water, through the valves; in distinction from a pump having a bucket, or valved piston.

The for pump in the pit. Raymond.

A form of air pump in which exhaustion is produced by a stream of mercury running down a narrow tube, in the manner of an aspirator; -- named from the inventor.

A cavity containing air to act as a spring for equalizing the flow of a liquid in a pump or other hydraulic machine.

l. The air is powerfully compressed into a reservoir attached to the gun, by a condensing pump, and is controlled by a valve actuated by the trigger.

r conducting air; as the air vessels of insects, birds, plants, etc.; the air vessel of a pump, engine, etc. For the latter, see Air chamber. The air vessels of insects are called tracheæ, of plants spiral vessels.

e at the top for lifting it. It is used for a great variety of purposes; as, with the air pump, and for holding gases, also for keeping the dust from articles exposed to view.

stowed in such a way that the bilge is clear of everything; -- said of a cask. -- Bilge pump, a pump to draw the bilge water from the gold of a ship. -- Bilge water (Naut.), water which collects in the bilge or bottom of a ship or other vessel. It is often allowed to remain till it becomes very offensive. -- Bilge…

ing ores, into which air is forced by pressure. -- Blast hole, a hole in the bottom of a pump stock through which water enters. -- Blast nozzle, a fixed or variable orifice in the delivery end of a blast pipe; -- called also blast orifice. -- In full blast, in complete operation; in a state of great activity. See Bl…

In pumps, a metal covering for the openings in the valve chambers.