стадион означает в английский

ballpark [ballparks]▼(field)
noun
[UK: ˈbɒl.ˌpɑːk] [US: ˈbɒl.ˌpɑːrk]

stadium [stadia | stadiums]▼(venue where sporting events are held)
noun
[UK: ˈsteɪ.dɪəm] [US: ˈsteɪ.diəm]