third base

noun

1
: the base that must be touched third by a base runner in baseball
2
: the player position for defending the area around third base
third baseman noun

Examples of third base in a Sentence

a runner on third 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.
In addition to second and third base, Baty will take reps at first base and in left field this spring. Abbey Mastracco, New York Daily News, 8 Feb. 2026 Contreras and Trevor Story are obvious locks to start, and the second and third base jobs will presumably go to some combination of Romy Gonzalez, Isiah Kiner-Falefa, Marcelo Mayer or Kristian Campbell. Mac Cerullo, Boston Herald, 8 Feb. 2026 Norby and Graham Pauley are the main contenders at third base while a handful of players (including outfielder Griffin Conine and offseason signing Christopher Morel) among the players competing for playing time at first base. Jordan McPherson, Miami Herald, 7 Feb. 2026 It was also announced that special assistant Mark Loretta will serve as the third base coach for team Israel, who will also roster minor league right-hander Josh Mallitz. Jeff Sanders, San Diego Union-Tribune, 6 Feb. 2026 See All Example Sentences for third base

Word History

First Known Use

1845, in the meaning defined at sense 1

Time Traveler
The first known use of third base was in 1845

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Cite this Entry

“Third base.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/third%20base. Accessed 14 Feb. 2026.

Kids Definition

third base

noun
: the base that must be touched third by a base runner in baseball or the position of the player defending the area around it
Last Updated: - Updated example sentences
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