a covered hole or container in the ground for collecting waste from a building, especially from the toilets （覆盖的）粪池，污水坑，垃圾坑 a place where bad or dishonest people gather 藏污纳垢的场所 a cesspit of corruption 堕落腐化的渊薮
Word Originmid 19th cent.: from cess (the supposed base of cesspool) + pit ‘large hole in the ground’.