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.
Connor Wong and Isiah Kiner-Falefa are the most noteworthy names in the Red Sox lineup, with Wong batting cleanup and starting at catcher and Kiner-Falefa batting second and starting at third base. Mac Cerullo, Boston Herald, 8 Mar. 2026 Kiel grounded out to third base before Sorrell slapped a single to right field, but was caught trying to steal second base. Tony Catalina, Austin American Statesman, 7 Mar. 2026 Stammen indicated France will get more time at second and third base, so the Padres can evaluate his work there. Kevin Acee, San Diego Union-Tribune, 7 Mar. 2026 In the seventh inning, Brady, the eldest of Craig’s four children, entered the game at third base. Sahadev Sharma, New York Times, 6 Mar. 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

Browse Nearby Words

Cite this Entry

“Third base.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/third%20base. Accessed 12 Mar. 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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