Definition of second base in English:

second base

noun ˌsɛk(ə)nd ˈbeɪs

1Baseball. The second of the four bases which the batter must touch in succession in order to score a run.
2Slang (chiefly North American). The second of four notional stages of sexual activity, usually characterized as the act of touching the breasts.

Mid 19th century; earliest use found in By-laws & Rules Knickerbocker Base Ball Club. From second + base.

nounˌsɛk(ə)nd ˈbeɪs

1Baseball. The second of the four bases which the batter must touch in succession in order to score a run.
2Slang (chiefly North American). The second of four notional stages of sexual activity, usually characterized as the act of touching the breasts.

Mid 19th century; earliest use found in By-laws & Rules Knickerbocker Base Ball Club. From second + base.

单词	second base
释义	Definition of second base in English: second base noun ˌsɛk(ə)nd ˈbeɪs 1Baseball. The second of the four bases which the batter must touch in succession in order to score a run. 2Slang (chiefly North American). The second of four notional stages of sexual activity, usually characterized as the act of touching the breasts. Origin Mid 19th century; earliest use found in By-laws & Rules Knickerbocker Base Ball Club. From second + base. Definition of second base in US English: second base nounˌsɛk(ə)nd ˈbeɪs 1Baseball. The second of the four bases which the batter must touch in succession in order to score a run. 2Slang (chiefly North American). The second of four notional stages of sexual activity, usually characterized as the act of touching the breasts. Origin Mid 19th century; earliest use found in By-laws & Rules Knickerbocker Base Ball Club. From second + base.
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