cloaca
/kləʊˈeɪ.kə/noun
Middle School
1
A sewer.
2
The opening in reptiles, amphibians and birds, as well as elasmobranchians, lobe-finned fishes, and monotreme mammals, which serves as the common outlet for the urogenital ducts and rectum.
3
An outhouse or lavatory.
4
A duct through which gangrenous material escapes a body.
5
Structure in the embryo during the development of the reproductive and urinary systems.