| Word | Definitions | Synonyms |
|---|---|---|
| cloaca | (noun) a waste pipe that carries away sewage or surface water | Synonyms: sewer, sewerage |
| (noun) (zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not other mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts open | - | |
| keratoacanthoma | (noun) skin tumor that grows rapidly (especially in older people) and resembles a carcinoma but does not spread; it usually disappears spontaneously, often leaving a scar | - |