The first indoor movie theaters in the United States. They charged five cents for admission, and played short movies silent and newsreels continuously. They flourished in the early 1900s.
“Odeon” is the Greek name for a public auditorium for performances. (A European movie theater chain is called “ODEON Cinemas Group.”)
Why I Looked It Up
It came up in a book about the world in 1913. I knew the term from the cable channel, and had a general understanding that it was a movie theater, but was short on specifics. In particular, I was curious where the name came from.