| 1. first base | |
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The base that must be touched first by a base runner in baseball
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| 2. first base [ Synonyms: first] | |
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The fielding position of the player on a baseball team who is stationed at first of the bases in the infield (counting counterclockwise from home plate)
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| 3. first base | |
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The initial stage in accomplishing something
"we didn't get to first base with that approach";
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