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 yet, this spring the player with the better offensive credentials, Josh Smith, is locked into a competition for the second base job. —Evan Grant, Dallas Morning News, 18 Feb. 2026

Similarly, Mayer, who played eight games at second base and 39 games at third last season, had wrist surgery in August but is also a full-go in camp. —Jen McCaffrey, New York Times, 18 Feb. 2026

Moore is expected to compete for the starting second base job, but the Angels began exploring his versatility last fall. —Jeff Fletcher, Oc Register, 17 Feb. 2026

In addition to learning first base, Morel has experience at second base, third base and the outfield. —Jordan McPherson, Miami Herald, 17 Feb. 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