WordReference Random House Unabridged Dictionary of American English © 2026
third′ base′, [Baseball.]
- Sportthe third in counterclockwise order of the bases from home plate.
- Sportthe playing position of the fielder covering the area of the infield near this base.
- 1835–45, American.
'third base' also found in these entries (note: many are not synonyms or translations):
balk
- base
- blast
- coach
- fair ball
- foul ball
- foul line
- hot corner
- lead
- punch
- sacrifice fly
- short field
- shortstop
- squeeze
- squeeze play
- third
- third baseman
- triple