Definition of RBI
: a run in baseball that is driven in by a batter; also : official credit to a batter for driving in a run <led the league in RBIs>
Origin and Etymology of rbi
run batted in
First Known Use: 1921
RBI Defined for English Language Learners
Definition of RBI for English Language Learners
baseball : a run that is scored as a result of a specific batter's hit, walk, etc.
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