first base

noun

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
first baseman noun

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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
His playing time this year could include more starts at first base and/or DH. Jaylon Thompson, Kansas City Star, 21 Mar. 2025 The Guardians front office believes in Santana, or he wouldn’t have been given a 1-year, $12 million contract, as a bridge at first base to Manzardo. More About Kyle Manzardo: The Tampa Rays drafted Manzardo in the 2nd round of the 2021 MLB draft. Bernie Pleskoff, Forbes, 20 Mar. 2025 The veteran was replaced at first base in the Dodgers' lineup by Kiké Hernández, who is batting sixth. Dan Perry, Newsweek, 18 Mar. 2025 Meni went to second base on Christian Robinson’s base hit in the first base/second base hole, and Meni and Robinson advanced to third and second on Lazer Rojas’ sacrifice bunt for the inning’s first out. Steve Fryer, Orange County Register, 17 Mar. 2025 See All Example Sentences for first base

Word History

First Known Use

1848, in the meaning defined at sense 1

Time Traveler
The first known use of first base was in 1848

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Cite this Entry

“First base.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first%20base. Accessed 28 Mar. 2025.

Kids Definition

first base

noun
: the base that must be touched first by a base runner in baseball
also : the position of the player defending the area around first base

More from Merriam-Webster on first base

Last Updated: - Updated example sentences
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