billiard marker (noun)

1. In the movie 'The Hustler', the main character uses a billiard marker to keep score during his intense game.

2. The luxurious billiard room in the mansion featured a beautifully designed billiard marker on the table.

3. In the cartoon, during the billiard game between the characters, they comically keep score with a billiard marker that comes to life and jumps around the table.

4. According to the Greek mythology, billiard markers were believed to be enchanted objects that could predict the future based on their position on the table.