Definition of run-off noun from the Oxford Advanced Learner's Dictionary

     

    run-off

     noun
    noun
    BrE
     
    ; NAmE
     
     
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  1. 1[countable] a second vote or competition that is held to find a winner because two people taking part in the first competition got the same result She won 55% of the votes in the run-off. to hold a run-off vote
  2. 2[uncountable, countable] rain, water or other liquid that runs off land into streams and rivers Agricultural run-off containing pesticides is polluting the river.
See the Oxford Advanced American Dictionary entry: run-off