01 n. One who, or that which, plunges; a diver.
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1.
One who, or that which, plunges; a diver.
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2.
A long solid cylinder, used, instead of a piston or bucket, as a forcer in pumps.
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3.
One who bets heavily and recklessly on a race; a reckless speculator.[Cant]
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4.
A boiler in which clay is beaten by a wheel to a creamy consistence.(Pottery)
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5.
The firing pin of a breechloader.(Gun.)
Phrases & compounds
Plunger bucket —
a piston, without a valve, in a pump.
Plunger pole —
the pump rod of a pumping engine.
Plunger pump —
a pump, as for water, having a plunger, instead of a piston, to act upon the water. It may be single-acting or double-acting