Definition of RBI
RBIs
orRBI
: 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
From the M-W Editors
Origin and Etymology of rbi
run batted in
First Known Use: 1921
RBI Defined for English Language Learners
RBI
play
noun
Definition of RBI for English Language Learners
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baseball : a run that is scored as a result of a specific batter's hit, walk, etc.
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