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Sunfish :: Sunfish (n.) Any one of numerous species of perch-like North American fresh-water fishes of the family Centrachidae. They have a broad, compressed body, and strong dorsal spines. Among the common species of the Eastern United States are Lepomis gibbosus (called also bream, pondfish, pumpkin seed, and sunny), the blue sunfish, or dollardee (L. pallidus), and the long-eared sunfish (L. auritus). Several of the species are called also pondfish..

Double-acting :: Double-acting (a.) Acting or operating in two directions or with both motions; producing a twofold result; as, a double-acting engine or pump..

Trap :: Trap (n.) A place in a water pipe, pump, etc., where air accumulates for want of an outlet..

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

Pumper :: Pumper (n.) One who pumps; the instrument or machine used in pumping.

Air Vessel :: Air vessel () A vessel, cell, duct, or tube containing or 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 tracheae, of plants spiral vessels..

Embolus :: Embolus (n.) Something inserted, as a wedge; the piston or sucker of a pump or syringe..

Pump :: Pump (v. t.) 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..

Pumping :: Pumping () a. & n. from pump.

Sump :: Sump (n.) The cistern or reservoir made at the lowest point of a mine, from which is pumped the water which accumulates there..

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..

Limber :: Limber (n.) Gutters or conduits on each side of the keelson to afford a passage for water to the pump well.

Forcer :: Forcer (n.) A small hand pump for sinking pits, draining cellars, etc..

Pepo :: Pepo (n.) Any fleshy fruit with a firm rind, as a pumpkin, melon, or gourd. See Gourd..

Fang :: Fang (v. t.) The valve of a pump box.

Chapelet :: Chapelet (n.) A kind of chain pump, or dredging machine..

Penstock :: Penstock (n.) The barrel of a wooden pump.

Forcer :: Forcer (n.) The solid piston of a force pump; the instrument by which water is forced in a pump.

Carcel Lamp :: Carcel lamp () A French mechanical lamp, for lighthouses, in which a superabundance of oil is pumped to the wick tube by clockwork..

Chain Pump :: Chain pump () 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..

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