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English definition of “plunger”

plunger

noun [C] uk   /ˈplʌn.dʒər/ us    /-dʒɚ/
a suction device consisting of a cup-shaped piece of rubber on the end of a stick, used to get rid of things that are blocking pipesPlumbing and pipes and sewageToolsGardening tools a part of a device that you push down into it: He pressed down the plunger of his cafetière.Machine parts
(Definition of plunger from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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