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

Noun

With Matt Shaw on third base with one out, Crow-Armstrong delivered a sacrifice fly to score his teammate and cut the lead to just one run. —Mark Harris Outkick, FOXNews.com, 16 June 2026

Persin started at third base against Mount Carmel. —Matt Le Cren, Chicago Tribune, 16 June 2026

Blue Jays manager John Schneider was ejected for arguing with home plate umpire Steven Jaschinski after a balk call against Jeff Hoffman put Chisholm at third base with one out in the eighth. —Cbs New York Team, CBS News, 15 June 2026

When he’s stationed at third base, Lewis will watch where a ball is hit and then determine where to run on the play. —Dan Hayes, New York Times, 12 June 2026

Word History

First Known Use

Noun (1)

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