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.
Gurriel added to mix The Padres added some potential depth at first base and added to the DH competition on Monday, agreeing to a minor-league deal with Yuli Gurriel. Kevin Acee, San Diego Union-Tribune, 17 Feb. 2025 Bobby Dalbec — another veteran who signed a minor-league deal with a big-league camp invite — has spent a majority of his five major-league seasons at first base. Lamond Pope, Chicago Tribune, 15 Feb. 2025 If Realmuto or Schwarber moonlighted at first base, that could reduce some strain on Harper, who would have more DH days as a result. Matt Gelb, The Athletic, 15 Feb. 2025 General manager Brian Cashman signed Paul Goldschmidt to a one-year deal to take over first base in the Bronx. Thomas G. Moukawsher, Newsweek, 12 Feb. 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

Dictionary Entries Near first base

Cite this Entry

“First base.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first%20base. Accessed 21 Feb. 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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