cesspool (noun)

1. In Greek mythology, it is said that Hades ruled over the underworld and controlled the cisterns known as cesspools.

2. In some religious rituals, a covered cistern or cesspool may be considered sacred and used for purification purposes.

3. The horror movie showcased a terrifying scene where the main character fell into a dark and eerie cesspool hidden in the basement.

4. In the futuristic world described in the novel, the protagonist encountered a mechanical cesspool that efficiently processed waste in a sustainable manner.