1. (Physics) A kind of pump for exhausting air from a vessel or closed space; also, a pump to condense air or force it into a closed space. [ 1913 Webster ]

2. (Steam Engines) A pump used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air. [ 1913 Webster ]

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. [ 1913 Webster ]

v. t. & i. [ imp. & p. p. Despumated p. pr. & vb. n. Despumating ] [ L. despumatus, p. p. of despumare to despume; de- + spumare to foam, froth, spuma froth, scum. ] To throw off impurities in spume; to work off in foam or scum; to foam. [ 1913 Webster ]

n. [ L. despumatio: cf. F. despumation. ] The act of throwing up froth or scum; separation of the scum or impurities from liquids; scumming; clarification. [ 1913 Webster ]

v. t. [ Cf. F. despumer. See Despumate. ] To free from spume or scum. [ Obs. ] [ 1913 Webster ]

If honey be despumed. Holland. [ 1913 Webster ]

(Mach.) (a) 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. (b) A pump adapted for delivering water at a considerable height above the pump, or under a considerable pressure; in distinction from one which lifts the water only to the top of the pump or delivers it through a spout. See Illust. of Plunger pump, under Plunger. [ 1913 Webster ]

n. (Mining) The top pump in the pit. Raymond. [ 1913 Webster ]

n. [ Peruv. puma. ] (Zool.) A large American carnivore (Felis concolor), found from Canada to Patagonia, especially among the mountains. Its color is tawny, or brownish yellow, without spots or stripes. Called also catamount, cougar, American lion, mountain lion, and panther or painter. [ 1913 Webster ]

n. (Zool.) A stint. [ 1913 Webster ]

v. t. [ imp. & p. p. Pumicated p. pr. & vb. n. Pumicating. ] [ L. pumicatus, p. p. of pumicare to pumicate, fr. pumex. See Pumice. ] To make smooth with pumice. [ R. ] [ 1913 Webster ]

n. [ L. pumex, pumicis, prob. akin to spuma foam: cf. AS. pumic-stān. Cf. Pounce a powder, Spume. ] (Min.) A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving it a fibrous structure. It is supposed to be produced by the disengagement of watery vapor without liquid or plastic lava. It is much used, esp. in the form of powder, for smoothing and polishing. Called also pumice stone. [ 1913 Webster ]

a. (Far.) Affected with a kind of chronic laminitis in which there is a growth of soft spongy horn between the coffin bone and the hoof wall. The disease is called pumiced foot, or pumice foot. [ 1913 Webster ]

a. [ L. pumiceus. ] Of or pertaining to pumice; resembling pumice. [ 1913 Webster ]

Same as Pumice. [ 1913 Webster ]

a. [ Pumice + -form. ] Resembling, or having the structure of, pumice. [ 1913 Webster ]

n. Same as Pomace. [ 1913 Webster ]

n. & v. t. Same as Pommel. [ 1913 Webster ]

v. i. To work, or raise water, a pump. [ 1913 Webster ]

n. [ Probably so called as being worn for pomp or ornament. See Pomp. ] A low shoe with a thin sole. Swift. [ 1913 Webster ]

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. [ 1913 Webster ]

☞ for various kinds of pumps, see Air pump, Chain pump, and Force pump; also, under Lifting, Plunger, Rotary, etc. [ 1913 Webster ]

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. [ 1913 Webster ]

v. t. [ imp. & p. p. Pumped p. pr. & vb. n. pumping. ] 1. To raise with a pump, as water or other liquid. [ 1913 Webster ]

2. To draw water, or the like, from; to from water by means of a pump; as, they pumped the well dry; to pump a ship. [ 1913 Webster ]

3. Figuratively, to draw out or obtain, as secrets or money, by persistent questioning or plying; to question or ply persistently in order to elicit something, as information, money, etc. [ 1913 Webster ]

But pump not me for politics. Otway. [ 1913 Webster ]

n. That which is raised by pumps, or the work done by pumps. [ 1913 Webster ]

The pumpage last year amounted to . . . gallons. Sci. Amer. [ 1913 Webster ]

n. One who pumps; the instrument or machine used in pumping. Boyle. [ 1913 Webster ]

n. [ G. ] A sort of bread, made of unbolted rye, which forms the chief food of the Westphalian peasants. It is acid but nourishing. [ 1913 Webster ]

n. A pompet. [ 1913 Webster ]

Pumpet ball (Print.), a ball for inking types; a pompet. [ 1913 Webster ]

a. & n. from pump. [ 1913 Webster ]

Pumping engine, a steam engine and pump combined for raising water. See Steam engine. [ 1913 Webster ]

n. (Bot.) See Pumpkin. [ 1913 Webster ]

n. [ For older pompion, pompon, OF. pompon, L. pepo, peponis, Gr. &unr_;, properly, cooked by the sun, ripe, mellow; -- so called because not eaten till ripe. Cf. Cook, n. ] (Bot.) A well-known trailing plant (Cucurbita pepo) and its fruit, -- used for cooking and for feeding stock; a pompion. [ 1913 Webster ]

Pumpkin seed. (a) The flattish oval seed of the pumpkin. (b) (Zool.) The common pondfish. [ 1913 Webster ]

a. [ Cf. Prov. E. pummer big, large, and E. pomey pommel. ] Large and rounded. [ Obs. ] [ 1913 Webster ]

A gentle stream, whose murmuring wave did play
Amongst the pumy stones. Spenser. [ 1913 Webster ]

(Physics) 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. [ 1913 Webster ]

n. [ L. spuma. Cf. Pumice, Spoom. ] Frothy matter raised on liquids by boiling, effervescence, or agitation; froth; foam; scum. [ 1913 Webster ]

Materials dark and crude,
Of spiritous and fiery spume. Milton. [ 1913 Webster ]

v. i. [ imp. & p. p. Spumed p. pr. & vb. n. Spuming. ] [ L. spumare. ] To froth; to foam. [ 1913 Webster ]

a. Spumous. [ Obs. ] Dr. H. More. [ 1913 Webster ]

n. [ See Spumescent. ] The state of being foamy; frothiness. [ 1913 Webster ]

a. [ L. spumescens, p. pr. of spumescere to grow foamy, from spuma foam. ] Resembling froth or foam; foaming. [ 1913 Webster ]

a. [ L. spumidus. ] Spumous; frothy. [ Obs. ] [ 1913 Webster ]

a. [ L. spumifier; spuma foam + ferre to bear. ] Producing foam. [ 1913 Webster ]

n. The quality or condition of being spumy; spumescence. [ 1913 Webster ]

{ } a. [ L. spumosus, fr. spuma foam: cf. F. spumeux. ] Consisting of, containing, or covered with, froth, scum, or foam; frothy; foamy. [ 1913 Webster ]

The spumous and florid state of the blood. Arbuthnot. [ 1913 Webster ]

The spumy waves proclaim the watery war. Dryden. [ 1913 Webster ]

n. (Zool.) A very large marine fish (Megapolis Atlanticus) of the Southern United States and the West Indies. It often becomes six or more feet in length, and has large silvery scales. The scales are a staple article of trade, and are used in fancywork. Called also tarpon, sabalo, savanilla, silverfish, and jewfish. [ 1913 Webster ]

n. [ North American Indian wampum, wompam, from the Mass. wómpi, Del. wāpe, white. ] Beads made of shells, used by the North American Indians as money, and also wrought into belts, etc., as an ornament. [ 1913 Webster ]

Round his waist his belt of wampum. Longfellow. [ 1913 Webster ]

Girded with his wampum braid. Whittier. [ 1913 Webster ]

☞ These beads were of two kinds, one white, and the other black or dark purple. The term wampum is properly applied only to the white; the dark purple ones are called suckanhock. See Seawan. “It [ wampum ] consisted of cylindrical pieces of the shells of testaceous fishes, a quarter of an inch long, and in diameter less than a pipestem, drilled . . . so as to be strung upon a thread. The beads of a white color, rated at half the value of the black or violet, passed each as the equivalent of a farthing in transactions between the natives and the planters.” Palfrey. [ 1913 Webster ]