Akademik

(baseball) the person who plays third base

: the baseball player stationed at the third-base position — see baseball illustration

the player whose position is third base.

[1855-60, Amer.]

third base,

1. the base that must be touched third by a runner.

2. the position of the fielder covering the area near this base.

–third baseman.

noun, pl ⋯ -men [count]

baseball : the player who defends the area near third base : the fielder who plays third base