septic tank

SEE SYNONYMS FOR septic tank ON THESAURUS.COM

noun

a tank in which solid organic sewage is decomposed and purified by anaerobic bacteria.

Origin of septic tank

First recorded in 1900–05

Words nearby septic tank

septic fever, septic infarct, septic phlebitis, septic shock, septic sore throat, septic tank, septic-, septicaemia, septicemia, septicemic abscess, septicemic plague

Words related to septic tank

sewer, cesspool, cesspit, sump

British Dictionary definitions for septic tank

septic tank

noun

a tank, usually below ground, for containing sewage to be decomposed by anaerobic bacteria