A small bell designed to be rung by hand.
The firing pin of a breechloader.
The moving portion of a solenoid.
One who plunges; a diver.
A device similar to a piston but without a mechanism; a long solid cylinder used, instead of a piston or bucket, as a forcer in pumps.
The spring-loaded assembly that propels the ball onto the table.
A boiler in which clay is beaten by a wheel to a creamy consistency.
A horse that plunges, or throws itself suddenly forward.
The sliding activator of an exploder, an electrical generator used to trigger electrical detonators such as blasting caps.
A cavalryman.
The part of a cafetière that is pushed down to remove grounds from coffee.
The internal piece of a syringe that pushes out or pulls in any contents.
A device that is used to remove blockages from the drain of a basin or tub, by suction.