: one that plunges: as
a : diver
b : a reckless gambler or speculator
c (1) : a sliding reciprocating piece driven by or against fluid pressure; especially : piston (2) : a piece with a motion like that of a ram or piston
d : a rubber suction cup on a handle used to free plumbing traps and waste outlets of obstructions
First Known Use of PLUNGER
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