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

Hunt added that Volpe has taken well to the slower pace of second base, compared with shortstop. — Brendan Kuty, New York Times, 9 Sep. 2026

George Soriano struck out Troy Johnston with a runner on second base in the ninth to earn his third save of the season. — ABC News, 6 Sep. 2026

He was ejected after a heated discussion with crew chief Chris Guccione, who was manning second base. — Kansas City Star, 2 Sep. 2026

In the bottom of the ninth inning and a runner on second base for the Rockies with two outs, McCarthy had the opportunity to at least tie the game and force extra innings with a base knock to knot things up at two runs apiece. — Scott Thompson Outkick, FOXNews.com, 1 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