English

Definition of ground rule noun from the Oxford Advanced Learner's Dictionary

     

    ground rule

     noun
    noun
    BrE
     
    ; NAmE
     
     
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  1. 1ground rules [plural] the basic rules on which something is based The new code of conduct lays down the ground rules for management-union relations.
  2. 2[countable] (North American English, sport) a rule for the playing of a game on a particular field, etc.