cloaca

/kloʊˈeɪkə/

/kləʊˈækə/

Other forms: cloacae; cloacas

Definitions of cloaca

1. noun

   (zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts open
   type of:

   bodily cavity, cavity, cavum

   (anatomy) a natural hollow or sinus within the body
2. noun

   a waste pipe that carries away sewage or surface water
   synonyms: sewer, sewerage

   type of:

   drain, drainpipe, waste pipe

   a pipe through which liquid is carried away