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

3

slang + impolite : amorous touching or caressing especially of the breasts

—usually used in phrases like get to second base or reach second base

We had started making out, but he had only gotten to second base so far.

—Helene Cooper

compare first base sense 4, home base sense 3, third base sense 3

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

The Marlins have invested heavily in developing young talent, and 2026 gave some of those players valuable experience at the professional level, including Jared Serna, who made a remarkable play at second base Saturday. — Brandon Liguori, Miami Herald, 27 Sep. 2026

In the ninth inning, Josh Naylor reached on a walk and stole second base, becoming the first first baseman since George Sisler in 1920-1922 to have consecutive 30-steal seasons. — Los Angeles Times, 27 Sep. 2026

Ramírez never went back down and instead turned into a key cog for the team, playing second base when Dansby Swanson went down with an oblique injury and Nico Hoerner was moved to short. — Andy Martinez, Chicago Tribune, 25 Sep. 2026

The throw should have gone to second base, but Dobnak apparently wasn’t aware that Witt was ready for a throw. — Pete Grathoff, Kansas City Star, 24 Sep. 2026

Word History

First Known Use

1848, 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