Dictionary

ground rule

noun

: a basic rule about what should be done in a particular situation, event, etc.

sports : a special rule about how a game is played on a particular field, court, or course

Full Definition of GROUND RULE

1
:  a sports rule adopted to modify play on a particular field, court, or course
2
:  a rule of procedure <ground rules for selecting a superintendent — American School Board Journal>
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Examples of GROUND RULE

  1. <before the debate begins, let's lay out some ground rules>

First Known Use of GROUND RULE

1890

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