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.
Ava Thomas, sophomore SS — Thomas, who played third base on varsity as a freshman, has transitioned to shortstop. Charles Baggarly, Fort Worth Star-Telegram, 20 Mar. 2026 Mora grounds out to third base. Caleb Yum, Austin American Statesman, 20 Mar. 2026 The Royals will pencil him into the opening day lineup at third base against the Atlanta Braves. Jaylon Thompson, Kansas City Star, 20 Mar. 2026 Jose Butto worked around a two-out single to Harper in the sixth by getting Judge to ground out to third base. Jordan McPherson, Miami Herald, 18 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

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Cite this Entry

“Third base.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/third%20base. Accessed 26 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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