ball game

Short definition from Wiktionary

Noun

1. 1
   Any game played with a ball.
2. 2
   A specific contest or match between teams playing such a game, in particular a baseball game.
3. 3
   A sport played in the Aztec and Mayan civilizations; Mesoamerican ballgame.
4. 4
   Affair, issue, matter, subject, story, topic.
5. 5
   A decisive outcome in regard to some ongoing situation; game over.