cloaca
/kloʊˈeɪkə/
noun
- A single opening in birds, reptiles, amphibians, and some fish that is used for reproduction, laying eggs, and getting rid of waste.
- The cloaca of a frog opens to the outside of its body.
- Scientists study the cloaca to learn about animal reproduction.
- Birds have a cloaca that serves as the exit for both digestive and reproductive systems.
- A sewer or drain, especially in ancient Rome.
- The Cloaca Maxima in Rome is one of the world's oldest sewage systems.
- The ancient Roman cloaca was an advanced sewage system for its time.
- Archaeologists discovered a well-preserved cloaca beneath the old city.