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

Their father is Los Angeles Dodgers third base coach Dino Ebel — expected to pitch to Phillies slugger Bryce Harper in the Home Run Derby on Monday night. — CBS News, 13 July 2026

Their father, Dino Ebel, has been the Dodgers’ third base coach since 2019 and spent the previous 13 years as a coach for the Angels. — Steve Henson, Los Angeles Times, 13 July 2026

Bonemer, ranked the Sox’s top prospect by MLB Pipeline, started at third base, going 0-for-2 and handling the lone ball hit his way. — Meghan Montemurro, Chicago Tribune, 12 July 2026

But the Mariners never saw another runner reach third base as Garrett Jax (5-6) and the three Rays relievers combined to retire 19 of the final 23. — ABC News, 11 July 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