Ballpark/ˈbɔːlpɑːrk/ Definition 1 of 3Pro Tip 1/3Baseball Connection Relates to baseball, so it's often used in American culture where the sport is popular. He collects souvenirs from different ballparks. Pro Tip 2/3Sport Venue A ballpark is a specific type of stadium, designed mainly for baseball. The new ballpark has a seating capacity of 30,000. Pro Tip 3/3Cultural Icon Many ballparks are landmarks and hold historical significance. Fenway Park is one of the most iconic ballparks in the U.S.