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.
May 12, 2025 at 5:46 PM EDT Who could the Red Sox turn to at first base if Romy Gonzalez doesn't work out and Rafael Devers stays at DH? Mac Cerullo, Hartford Courant, 12 May 2025 At first base, the Yankees won't be moving Paul Goldschmidt anytime soon, after signing the 2022 National League MVP to a one-year, $12.5 million contract. Jon Vankin, MSNBC Newsweek, 11 May 2025 What Sox player dropped his pants at first base during a game? Paul Sullivan, Chicago Tribune, 11 May 2025 The majority of Encarnacion’s reps with Sacramento will be at first base. Justice Delos Santos, Mercury News, 10 May 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

Browse Nearby Words

Cite this Entry

“First base.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first%20base. Accessed 15 May. 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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