first base


: the base that must be touched first by a base runner in baseball
: the player position for defending the area around first base
: the first step or stage in a course of action
plans never got to first base
first baseman 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 Landon Stripling lined out to second baseman Peyton Stovall, who then threw to McLaughlin to double off Woodson at first base. Bob Holt,, 18 Apr. 2024 Stephens then hit sharp grounder to first base, but the throw home was too late and Arthur scored to give Centennial a 1-0 lead. Charles Baggarly, Fort Worth Star-Telegram, 17 Apr. 2024 The Padres then tied the score at 3-3, scoring on a routine double play and two-out infield single from Jackson Merrill, who reached safely after Mookie Betts made a diving stop of his ground ball up the middle but fired an errant throw to first base. Jack Harris, Los Angeles Times, 15 Apr. 2024 Those mistakes quickly faded into the Giants’ memories as the ball off Estrada’s bat sailed toward the wall and Chapman took off from first base. Evan Webeck, The Mercury News, 5 Apr. 2024 Witt made the throw to first base, but Mountcastle beat the throw to the bag. Jaylon Thompson, Kansas City Star, 2 Apr. 2024 The corner infielder, who split time between third base and first base, hit .438 (7 for 16) with one double, six RBI and four runs scored. Jordan McPherson, Miami Herald, 1 Apr. 2024 And Kris Bryant, the former USD star, is manning a new position — first base — for the Rockies. John Maffei, San Diego Union-Tribune, 28 Mar. 2024 The third baseman fired to Stovall at second and his relay was late at first base. Tom Murphy,, 6 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'first base.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1848, in the meaning defined at sense 1

Time Traveler
The first known use of first base was in 1848

Dictionary Entries Near first base

Cite this Entry

“First base.” Dictionary, Merriam-Webster, Accessed 21 Apr. 2024.

Kids Definition

first base

: 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

More from Merriam-Webster on first base

Last Updated: - Updated example sentences
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