- groundrule
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ground rule
n.
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. Often used in the plural.
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Universalium. 2010.
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Universalium. 2010.
groundrule double — ground rule double n. Baseball A double awarded to a batter when a batted ball bounces and goes over, strikes and goes over, or is touched by a player and goes over an outfield wall. * * * … Universalium