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To mark with a prime mark. To prime a pump, to charge a pump with water, in order to put it in working condition.

An apparatus for producing artificial respiration by pumping oxygen or air or a mixture of the two into and out of the lungs, as of a person who has been asphyxiated by drowning, breathing poisonous gases, or the like, or of one who has been stunned by an electrical shock.

on of the steam on the water, without the intervention of a piston; -- also called vacuum pump.

A pumpkin. [Colloq. U. S.]

ing bodily away from the seat while remaining parallel with it, -- used in steam engines, pumps, safety valves, etc. Its edge is often beveled, and fits in a conical recess in the seat when the valve is closed. See the valves shown in Illusts. of Plunger pump, and Safety valve, under Plunger, and Safety.…

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.

f no cohession or fiber; a feeble union or tie; something not to be relied upon. -- Rope pump, a pump in which a rapidly running endless rope raises water by the momentum communicated to the water by its adhesion to the rope. -- Rope transmission (Mach.), a method of transmitting power, as between distant places, by…

t, etc., for delivering water in fine jets; a rosehead; also, a strainer at the foot of a pump.

n, as in the ordinary engine; a steam turbine; -- called also rotatory engine. -- Rotary pump, a pump in which the fluid is impelled by rotating devices which take the place of reciprocating buckets or pistons. -- Rotary shears, shears, as for cloth, metal, etc., in which revolving sharp-edged or sharp-cornered wheel…

ke appendage (the exopodite) of the second maxilla of decapod crustaceans. It serves as a pumping organ to draw the water through the gill cavity.

4 Wheel; 5 Wheel Chains; 6 Binnacle; 7 Mizzenmast; 8 Skylight; 9 Capstan; 10 Mainmast; 11 Pumps; 12 Galley or Caboose; 13 Main Hatchway; 14 Windlass; 15 Foremast; 16 Fore Hatchway; 17 Bitts; 18 Bowsprit; 19 Head Rail; 20 Boomkins; 21 Catheads on Port Bow and Starboard Bow; 22 Fore Chains; 23 Main Chains; 24 Mizzen Chai…

r exerting force during strokes in one direction only; -- said of a reciprocating engine, pump, etc.

a riser from which the mold is fed as the casting shrinks. See Riser, n., 4. -- Sinking pump, a pump which can be lowered in a well or a mine shaft as the level of the water sinks.

nd so reaches the surface to be lubricated. -- Siphon gauge. See under Gauge. -- Siphon pump, a jet pump. See under Jet, n.

The red-bellied terrapin (Pseudemys rugosa). [Local, U. S. ] Slider pump, a form of rotary pump.

A bucket for removing mud from a bored hole; a sand pump.

The rod to which the bucket, or plunger, of a pump is attached; a pump rod. Spear foot, the off hind foot of a horse. -- Spear grass. (Bot.) (a) The common reed. See Reed, n., 1. (b) meadow grass. See under Meadow. -- Spear hand, the hand in which a horseman holds a spear; the right hand. Crabb. -- Spear side, the m…

rn at work which is carried on by one person or gang relieving another; as, a spellat the pumps; a spell at the masthead. A spell at the wheel isc called a trick. Ham. Nav. Encyc.

drant and a reservoir, to equalize the flow of water; also, a large vertical pipe, near a pumping engine, into which water is forced up, so as to give it sufficient head to rise to the required level at a distance.

e, marine engine, etc. Specifically: (b) A factory engine, in distinction from a blowing, pumping, or other kind of engine which is also permanently placed.