Noun rebutter has 2 senses
  1. rebutter, disprover, refuter, confuter - a debater who refutes or disproves by offering contrary evidence or argument
    --1 is a kind of debater, arguer
    Derived forms: verb rebut1, verb rebut2
  2. rebutter, rebuttal - (law) a pleading by the defendant in reply to a plaintiff's surrejoinder
    --2 is a kind of pleading
    Derived form: verb rebut1
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