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.
And with the loss, the Dodgers (29-19) fell half a game back of the Padres (29-18), after squandering two separate opportunities with speedy Hyeseong Kim standing on third base with two out, and stranding men on first and second in the ninth. Maddie Lee, Los Angeles Times, 19 May 2026 Herrera stayed at third base (despite Cardinals coach Ron Warner imploring Herrera to run) and Witt’s play saved a run. Pete Grathoff, Kansas City Star, 19 May 2026 But Dodgers third-base coach Dino Ebel threw up a late stop sign for Kim to hold at third base. Bill Plunkett, Oc Register, 19 May 2026 Schmitt has the versatility to play around the diamond, but Matt Chapman (third base), Willy Adames (shortstop) and Luis Arraez (second base) occupy the other infield spots. Justice Delos Santos, Mercury News, 19 May 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 21 May. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster