definitions

ground rule double

noun Baseball.

a safe hit ruled for two bases according to the rules of a particular stadium, as when a fly ball bounces once in the outfield and then clears a fence.

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Nearby words

ground rent, ground robin, ground rod, ground row, ground rule, ground rule double, ground rules, ground run, ground shark, ground sloth, ground sluice

Origin of ground rule double

An Americanism dating back to 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019