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1. The third of the bases on the diamond counterclockwise from home plate; the last base to be reached by a runner before home plate.
2. The position played by the third baseman.
1. the third of the bases in baseball, in counterclockwise order from home plate.
2. the position of the fielder covering this base.
third′ base′man, n.
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|Noun||1.||third base - the base that must be touched third by a base runner in baseball; "he was cut down on a close play at third"|
|2.||third base - the fielding position of the player on a baseball team who is stationed near the third of the bases in the infield (counting counterclockwise from home plate); "he is playing third"|
position - (in team sports) the role assigned to an individual player; "what position does he play?"
baseball team - a team that plays baseball