third base

noun

1

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

2

: the player position for defending the area around third base

third baseman noun

Examples of third base in a Sentence

a runner on third base

Recent Examples on the Web

If Mayer is the leading candidate at third base, the Red Sox may be targeting a strong defensive second baseman. —Jen McCaffrey, New York Times, 30 Jan. 2026

This offseason, Garcia won his first Gold Glove at third base. —Jaylon Thompson, Kansas City Star, 29 Jan. 2026

Early on, Kortz played minor league baseball, including at shortstop and third base in 1951 for a Class C team in Hot Springs, Arkansas, that was part of the Chicago White Sox organization and then in 1953 for two teams in the Cincinnati Reds’ organization. —Bob Goldsborough, Chicago Tribune, 27 Jan. 2026

Those deals satisfied the Mets’ biggest needs, with the ace Peralta now topping their rotation, Bichette ready to settle into the heart of the lineup and at third base, and Robert set to provide elite center-field defense with upside as a hitter. —Peter Sblendorio, New York Daily News, 26 Jan. 2026

Word History

First Known Use

1845, in the meaning defined at sense 1

Rhymes for third base

• abase
• airspace
• apace
• backspace
• biface
• birthplace
• blackface
• boldface
• bookcase
• braincase
• briefcase
• carcase

Kids Definition

third base

noun

: the base that must be touched third by a base runner in baseball or the position of the player defending the area around it