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Piston :: Piston (n.) A sliding piece which either is moved by, or moves against, fluid pressure. It usually consists of a short cylinder fitting within a cylindrical vessel along which it moves, back and forth. It is used in steam engines to receive motion from the steam, and in pumps to transmit motion to a fluid; also for other purposes..

Straining :: Strainer (n.) That through which any liquid is passed for purification or to separate it from solid matter; anything, as a screen or a cloth, used to strain a liquid; a device of the character of a sieve or of a filter; specifically, an openwork or perforated screen, as for the end of the suction pipe of a pump, to prevent large solid bodies from entering with a liquid..

Sprent :: Sprengel pump () 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..

Hood :: Hood (n.) The top of a pump.

Pump :: Pump (v. i.) To work, or raise water, a pump..

Pump :: Pump (n.) 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..

Syringed :: Syringe (n.) A kind of small hand-pump for throwing a stream of liquid, or for purposes of aspiration. It consists of a small cylindrical barrel and piston, or a bulb of soft elastic material, with or without valves, and with a nozzle which is sometimes at the end of a flexible tube; -- used for injecting animal bodies, cleansing wounds, etc..

Pump :: Pump (n.) A low shoe with a thin sole.

Pumped :: Pumped (imp. & p. p.) of Pum.

Bonnet :: Bonnet (n.) In pumps, a metal covering for the openings in the valve chambers..

Mould :: Mould (n.) A frame with a wire cloth bottom, on which the pump is drained to form a sheet, in making paper by hand..

Plunger :: Plunger (n.) A long solid cylinder, used, instead of a piston or bucket, as a forcer in pumps..

Windbore :: Windbore (n.) The lower, or bottom, pipe in a lift of pumps in a mine..

Bucket :: Bucket (n.) The valved piston of a lifting pump.

Vine :: Vine (n.) Hence, a climbing or trailing plant; the long, slender stem of any plant that trails on the ground, or climbs by winding round a fixed object, or by seizing anything with its tendrils, or claspers; a creeper; as, the hop vine; the bean vine; the vines of melons, squashes, pumpkins, and other cucurbitaceous plants..

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

Pallet :: Pallet (n.) One of the series of disks or pistons in the chain pump.

Receiver :: Receiver (n.) The glass vessel in which the vacuum is produced, and the objects of experiment are put, in experiments with an air pump. Cf. Bell jar, and see Illust. of Air pump..

Cofferdam :: Cofferdam (n.) A water-tight inclosure, as of piles packed with clay, from which the water is pumped to expose the bottom (of a river, etc.) and permit the laying of foundations, building of piers, etc..

Indicator :: Indicator (n.) An instrument which draws a diagram showing the varying pressure in the cylinder of an engine or pump at every point of the stroke. It consists of a small cylinder communicating with the engine cylinder and fitted with a piston which the varying pressure drives upward more or less against the resistance of a spring. A lever imparts motion to a pencil which traces the diagram on a card wrapped around a vertical drum which is turned back and forth by a string connected with the pist

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