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

Beals opened the season at second base. —Michael Osipoff, Chicago Tribune, 11 June 2026

Then after Antonya stole second base, Aikins intentionally walked Season Lundrigan, to try to force a double play. —Zachary McMahon, Boston Herald, 10 June 2026

But a two-out walk in the second came back to bite him after Matt McClain swiped second base and scored on Tyler Stephenson’s single to center. —Jeff Sanders, San Diego Union-Tribune, 10 June 2026

After the Diamondbacks tied the game at 6-6 at the top of the 8th inning, Mack opened the bottom of the eighth with a lead-off single, ultimately scoring the go-ahead run from second base after being driven in on an RBI single from shortstop Otto Lopez. —Tyler Carmona june 9, Miami Herald, 10 June 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