second base

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noun Baseball.
  1. the second in order of the bases from home plate.
  2. the position of the player covering the area of the infield between second and first bases.

Origin of second base

An Americanism dating back to 1835–45 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for second base

keystone, second