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.
The Angels added a run in the fifth when Vaughn Grissom scored from third base when Peraza stole second base and Rockies catcher Goodman sent his throw into center field. Doug Padilla, Oc Register, 2 June 2026 Daniel Susac, who essentially had no experience in the field aside from catching, was playing third base. Justice Delos Santos, Mercury News, 2 June 2026 But third base umpire Adrian Johnson ruled it foul and the no-hitter was intact. Assistant Sports Editor, Los Angeles Times, 1 June 2026 Sniffen stepped up with two outs and pulsed his clutch gene, finding the hole between Martin and Cholowsky as Kashimoto sprinted around third base and dove headfirst into home plate. Aaron Heisen, Daily News, 1 June 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 6 Jun. 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
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