first base



  1. the first in counterclockwise order of the bases from home plate.
  2. the position of the player covering the area of the infield near first base.


    get to first base, Informal.
    1. to succeed in the initial phase of a plan or undertaking: His suggestions for labor-saving techniques never got to first base.
    2. to engage in petting that goes no further than kissing.

Origin of first base

An Americanism dating back to 1835–45 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for first base

British Dictionary definitions for first base

first base


  1. the base that a runner must reach safely to score a hit, and the first of the three bases he must reach safely on the way to home plate in order to score a run
  2. the fielding position nearest this base
get to first base informal, mainly US and Canadian to accomplish the first step of an undertaking

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012