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third base

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noun Baseball.
  1. the third in counterclockwise order of the bases from home plate.
  2. the playing position of the fielder covering the area of the infield near this base.
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Origin of third base

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

Examples from the Web for third base

Historical Examples