Definition of plunger noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈplʌndʒə(r)//
    ; NAmE NAmE//ˈplʌndʒər//
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  1. 1a part of a piece of equipment that can be pushed down
  2. 2a piece of equipment used for clearing kitchen and bathroom pipes, that consists of a rubber cup fixed to a handle
See the Oxford Advanced American Dictionary entry: plunger