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
Cite this Entry
“Second base.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/second%20base. Accessed 4 Sep. 2026.
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