Cesspool

from WordNet (r) 3.0 (2006)

cesspool
    n 1: a covered cistern; waste water and sewage flow into it
         [syn: {cesspool}, {cesspit}, {sink}, {sump}]

from The Collaborative International Dictionary of English v.0.48

Cesspool \Cess"pool`\ (-p[=oo]l`), n. [See {Sesspol}.]
   A cistern in the course, or the termination, of a drain, to
   collect sedimentary or superfluous matter; a privy vault; any
   receptacle of filth. [Written also {sesspool}.]
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

19 Moby Thesaurus words for "cesspool":
      Sodom, bog, cesspit, cloaca, cloaca maxima, den, drain, dump,
      garbage dump, marsh, mire, pandemonium, quagmire, septic tank,
      sewer, sink, sty, sump, swamp

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