second base

noun

1

: the base that must be touched second by a base runner in baseball

2

: the player position for defending the area on the first-base side of second base

second baseman noun

Examples of second base in a Sentence

He slid into second base.

He used to play second base for the Red Sox.

Recent Examples on the Web

And Isiah Kiner-Falefa (forearm stress reaction) is set to play his first rehab game for Worcester on Wednesday at second base. — Jen McCaffrey, New York Times, 19 Aug. 2026

Gunnar Henderson swiped second base while Jackson Holliday dashed from third to home. — ABC News, 19 Aug. 2026

Carlos Rodon executed his pitch perfectly, coaxing Christian Franklin into what should have been an inning-ending double-play ball hit straight to Chisholm at second base. — Alejandro Avila Outkick, FOXNews.com, 19 Aug. 2026

With Kevin Alcántara batting, Hoerner took off for second base. — Lamond Pope, Chicago Tribune, 18 Aug. 2026

Word History

First Known Use

1845, in the meaning defined at sense 1

Rhymes for second base

• aerospace
• anatase
• anyplace
• commonplace
• cyberspace
• database
• diabase
• diastase
• dnase
• elastase
• fireplace
• hyperspace

Kids Definition

second base

noun

: the base that must be touched second by a base runner in baseball or the position of the player defending the area around it