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See more synonyms for groundout on Thesaurus.com
noun Baseball.
  1. a play in which a batter is put out at first base after hitting a ground ball to the infield.
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Origin of groundout

First recorded in 1960–65; noun use of verb phrase ground out
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018