septic tank

1. 1.

   large tank where solid matter or sewage is disintegrated by bacteria

   Broadertank

Questions about septic tank

What does septic tank mean?

septic tank means "large tank where solid matter or sewage is disintegrated by bacteria".

Is septic tank a common word?

septic tank is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.