1. of, relating to, or resembling a cloaca (a common chamber in certain animals that receives the discharge from the intestines, urinary, and reproductive systems)
Usage: biology; zoology

Examples

• Birds have a cloacal opening through which waste and reproductive material pass.
• The cloacal membrane is an important embryological structure in vertebrate development.
• Amphibians possess a cloacal system for the elimination of waste.
• Reptiles rely on their cloacal chamber for multiple bodily functions.
• The cloacal duct connects the intestines to the external opening in certain species.