Archaeology. a ceremonial game of both ritual and sporting significance, played by teams on a ball court in Mesoamerican cultures from the Preclassic period to the Spanish conquest.
Also, ballgame.
Origin
1840-50, Americanism
Examples from the web for ball game
If lower reproduction rate is linked to intelligence, that's the evolutionary ball game, right there.
Then ask them what feelings they get when they look at the flag or when they sing the national anthem at a ball game or elsewhere.
Also, piloting-wise this is an entirely different ball game without discipline.
British Dictionary definitions for ball game
ball game
noun
1.
any game played with a ball
2.
(US & Canadian) a game of baseball
3.
(informal) a situation; state of affairs (esp in the phrase a whole new ball game)
Slang definitions & phrases for ball game
ball game
noun phrase
A given set of conditions; complex of circumstances; situation: What we do and what they do isn't the same ball game(1960s+)
A competition; rivalry: It's NBC ahead in the network ratings ball game, NBC says/ Goodbye, ball game, he said(late 1960s+)
The decisive element or event, esp in a competition or encounter; the NAME OF THE GAME: The third ward vote is the ball game in this town(late 1960s+)