Definition of "lead off" [lead off]

• The first batter in the batting order. (noun)
• The first batter of an inning. (noun)
• To be the first batter of an inning. (verb)

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• "David Towarnicky to lead off the fourth inning and the last two on Elon errors in the fifth and sixth."
• "After Joe Stanley fanned for the second time to lead off the frame, the next striker hit a routine grass clipper down to Tales that went right through his legs."
• "The tunnel appears to lead off from a blank wall, but, following a suggestion made by Filip Coppens, we examined this wall and found that it had once been a doorway."