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.
Caballero will likely shift to a utility role that could include platooning at second base, third base and in the corner outfield positions. — Brendan Kuty, New York Times, 4 Aug. 2026 On the field, the coaches huddled together on the third base line in a tight discussion. — Danielle Allentuck, Washington Post, 4 Aug. 2026 He’s bounced all around the diamond, spending time at first base, second base, third base, shortstop and left field, and the Arraez trade would’ve provided him with an opportunity to settle into one position for the first time all season. — Justice Delos Santos, Mercury News, 3 Aug. 2026 Fermin hit a two-run homer in the fourth inning, drove in Bogaerts with a single in the sixth and moved Bogaerts to third base with a sacrifice bunt in the ninth. — Kevin Acee, San Diego Union-Tribune, 2 Aug. 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

Rhymes for third base

See All Rhymes for third base

Browse Nearby Words

third angle
third base
third baseman
See all Nearby Words

Cite this Entry

“Third base.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/third%20base. Accessed 5 Aug. 2026.

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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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