'Plunger bucket' definitions:

Definition of 'Plunger bucket'

From: GCIDE

Plunger \Plun"ger\, n.
1. One who, or that which, plunges; a diver. [1913 Webster]
2. A long solid cylinder, used, instead of a piston or bucket, as a forcer in pumps. [1913 Webster]
3. One who bets heavily and recklessly on a race; a reckless speculator. [Cant] [1913 Webster]
4. (Pottery) A boiler in which clay is beaten by a wheel to a creamy consistence. --Knight. [1913 Webster]
5. (Gun.) The firing pin of a breechloader. [1913 Webster]
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 [1913 Webster]