first base
noun
Definition of first base
1 : the base that must be touched first by a base runner in baseball
2 : the player position for defending the area around first base
3 : the first step or stage in a course of action plans never got to first base
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Examples of first base in a Sentence
a runner on first base
She hit a ground ball to first base.
He used to be a catcher, but now he plays first base.
First Known Use of first base
1848
FIRST BASE Defined for English Language Learners
first base
noun
Definition of first base for English Language Learners
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baseball : the base that must be touched first by a base runner; also : the position of the player who defends the area around first base
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