Part 661

Pume (?), n. (Zoˆl.) A stint.

Pu"mi*cate (?), 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.]

Pum"ice (?), n. [L. pumex, pumicis, prob. akin to spuma foam: cf. AS. pumic- stn. 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.

Pum"iced (?), 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.

Pu*mi`ceous (?), a. [L. pumiceus.] Of or pertaining to pumice; resembling pumice.

Pum"ice stone` (?). Same as Pumice.

Pu*mic"i*form (?), a. [Pumice + -form.] Resembling, or having the structure of, pumice.

Pum"mace (?), n. Same as Pomace.

Pum"mel (?), n. & v. t. Same as Pommel.

Pump (pmp), n. [Probably so called as being worn for pomp or ornament. See Pomp.] A low shoe with a thin sole. Swift.

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.

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.

Pump, v. t. [imp. & p. p. Pumped (pmt; 215); p. pr. & vb. n. pumping.] 1. To raise with a pump, as water or other liquid.

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.

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.

But pump not me for politics.

Otway.

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

Pump"age (?), n. That which is raised by pumps, or the work done by pumps.

The pumpage last year amounted to . . . gallons.

Sci. Amer.

Pump"er (?), n. One who pumps; the instrument or machine used in pumping. Boyle.

Pump"er*nick`el (?), n. [G.] A sort of bread, made of unbolted rye, which forms the chief food of the Westphalian peasants. It is acid but nourishing.

Pum"pet (?), n. A pompet.

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

Pump"ing, a. & n. from pump.

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