Also found in: Thesaurus, Idioms.
1. Sports A rule governing the playing of a game on a particular field, course, or court.
2. A basic rule of procedure or behavior.
a procedural rule or principle
1. a basic or governing principle of conduct in a situation: the ground rules of a debate.
2. any of certain sports rules adopted, as in baseball, for playing in a particular stadium or field.
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|Noun||1.||ground rule - (baseball) a special rule (as in baseball) dealing with situations that arise due to the nature of the playing grounds|
baseball, baseball game - a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs; "he played baseball in high school"; "there was a baseball game on every empty lot"; "there was a desire for National League ball in the area"; "play ball!"
rule - directions that define the way a game or sport is to be conducted; "he knew the rules of chess"