first base

noun

1

: the base that must be touched first by a base runner in baseball

2

: the player position for defending the area around first base

3

: the first step or stage in a course of action

plans never got to first base

first baseman

-ˈbā-smən 

noun

Examples of first base in a Sentence

a runner on first base

She hit a ground ball to first base.

He used to be a catcher, but now he plays first base.

Recent Examples on the Web

Babe Dahlgren took his place at first base. 1964 — The Minnesota Twins became the third team in major league history to hit four consecutive home runs in an inning. —Houston Mitchell, Los Angeles Times, 2 May 2024

Beck struck out eight batters in a row after Madison Howard led off Paschal’s half of the first inning with a pop out to first base. —Charles Baggarly, Fort Worth Star-Telegram, 26 Apr. 2024

Word History

First Known Use

1848, in the meaning defined at sense 1

Kids Definition

first base

noun

: the base that must be touched first by a base runner in baseball

also : the position of the player defending the area around first base