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

Catcher Jake Rogers made a stellar back-pick throw to nab Vladimir Guerrero Jr. at third base in a key situation. —Cody Stavenhagen, New York Times, 27 July 2025

McMahon then started at third base and batted eighth in Saturday’s 9-4 loss to the Philadelphia Phillies, going 1-for-3 with a walk and two strikeouts. —Peter Sblendorio, New York Daily News, 26 July 2025

Garcia remained stranded at third base in the sixth. —Kansas City Star, 26 July 2025

While athleticism and maximum effort are always evident with Volpe, the Yankees desperately need stability at shortstop right now instead of below-average performances accompanied by ongoing concerns at third base. —Wayne G. McDonnell, Forbes.com, 25 July 2025

Word History

First Known Use

1845, in the meaning defined at sense 1

Rhymes for third base

• abase
• airspace
• apace
• backspace
• biface
• birthplace
• blackface
• boldface
• bookcase
• braincase
• briefcase
• carcase

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