Septic tank

noun, slang

Definitions

Noun
  1. 1
    A small-scale watertight treatment system for domestic sewage in which the flow is slowed to allow sedimentation and sludge digestion by bacteria to take place.
  2. 2
    large tank where solid matter or sewage is disintegrated by bacteria wordnet
  3. 3
    Yank (American person). Australian, Cockney, slang

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