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A device that is used to remove blockages from the drain of a basin or tub, by suction.
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The internal piece of a syringe that pushes out or pulls in any contents.
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The sliding activator of an exploder, an electrical generator used to trigger electrical detonators such as blasting caps.
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The part of a cafetière that is pushed down to remove grounds from coffee.
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One who plunges; a diver.
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A horse that plunges, or throws itself suddenly forward.
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A cavalryman.
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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.
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The moving portion of a solenoid.
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The spring-loaded assembly that propels the ball onto the table.
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A reckless gambler.
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A boiler in which clay is beaten by a wheel to a creamy consistency.
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The firing pin of a breechloader.