Of, relating to, or used in a park or stadium.
Ballpark lights; ballpark seating.
Being approximately proper in range.
Gave a ballpark estimate of future unit sales.
A park or stadium in which ball games are played.
The approximately proper range, as of possibilities or alternatives.
Your estimate is high, but still in the ballpark.
Designating an estimate, figure, etc. that is thought to be fairly accurate.
A stadium, outdoor arena, or other facility for contests between athletic teams, esp. baseball or football teams.