third base

1 of 2

noun (1)

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

third baseman

2 of 2

noun (2)

: the baseball player stationed at the third-base position

Examples of third base in a Sentence

Noun (1) 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.
Noun
Ralph cited Jon Heyman of the New York Post, who added that the Mets would like to see Bo Bichette stay at third base, with Sato taking over at first. Peter Chawaga, Forbes.com, 17 Aug. 2026 When the Oakland Athletics released Max Muncy before the 2017 season, the then-26-year-old didn’t know if a baseball career was for him anymore, let alone a future at third base. Joaquin Ruiz, Los Angeles Times, 17 Aug. 2026 Then, Francisco Alvarez roped a double to left, tying the game as Baty came across the plate with the winning run moving to third base. Scott Thompson Outkick, FOXNews.com, 16 Aug. 2026 García failed to make the scoop — his glove fell off on the play — picked up the loose ball, and then fired to an unoccupied third base. Gary Phillips, New York Daily News, 15 Aug. 2026 See All Example Sentences for third base

Word History

First Known Use

Noun (1)

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 20 Aug. 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