plunger: Meaning and Definition of
Pronunciation: (plun'jur), [key]
- a pistonlike reciprocating part moving within the cylinder of a pump or hydraulic device.
- a pistonlike part in the valve of a pneumatic tire.
- Also calleda device consisting of a handle with a rubber suction cup at one end, used as a force pump to free clogged drains and toilet traps.
- a person or thing that plunges.
- a reckless bettor or speculator.
- plunger (Thesaurus)