noun

1. Any game played with a ball.

   "Basketball, cricket, and football are three kinds of ball game."

2. A specific contest or match between teams playing such a game, in particular a baseball game.

   "George and Harriet went to the stadium to see the ball game."

3. A sport played in the Aztec and Mayan civilizations; Mesoamerican ballgame.

   "The ball game was the main sport in Central America before the arrival of the Spanish."

4. Affair, issue, matter, subject, story, topic.