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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Since the club’s inception, only two Royals have won a Gold Glove at second base. — Kansas City Star, 14 Oct. 2026 With the tying run at second base, Cleveland sent up Jo Adell, another impactful midseason acquisition who helped seal the game one win with a two-run single in the ninth inning. — Ian Miller Outkick, FOXNews.com, 14 Oct. 2026 Meidroth, who spent a majority of his rookie season in 2025 at shortstop, moved to second base in 2026, and led all American League second basemen with a +10 in Statcast's fielding run value metric. — Todd Feurer, CBS News, 14 Oct. 2026 After a home run by Cedric Mullins trimmed the deficit to 4-3 in the bottom of the eighth, Cole Sulser yielded a leadoff single to slumping Angel Martínez in the ninth and balked him to second base. — ABC News, 13 Oct. 2026 See All Example Sentences for second base

Word History

First Known Use

1848, in the meaning defined at sense 1

Time Traveler
The first known use of second base was in 1848

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Cite this Entry

“Second base.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/second%20base. Accessed 20 Oct. 2026.

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
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