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

Soto was later thrown out at third base, and the Mets pulled him from the game after the inning ended. —Jenna West, The Athletic, 22 Feb. 2025

The move from second base to shortstop isn’t as difficult as the move from third base to second, so the Mets can see how Baty has progressed at second before increasing his middle infield workload. —Abbey Mastracco, New York Daily News, 21 Feb. 2025

The teenaged Emerson was Seattle’s first-round draft choice in 2023 and could move from shortstop to third base. —Dan Schlossberg, Forbes, 21 Feb. 2025

Norby was learning a new position, shifting from the middle infield to third base, and was looking to make a solid first impression with a new franchise. —Jordan McPherson, Miami Herald, 21 Feb. 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