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septic tank

noun

Definition of septic tank

  1. :  a tank in which the solid matter of continuously flowing sewage is disintegrated by bacteria

See septic tank defined for English-language learners

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Circa 1902

First Known Use of septic tank

circa 1902

SEPTIC TANK Defined for English Language Learners

septic tank

noun

Definition of septic tank for English Language Learners

  • : a tank under the ground that holds human waste from toilets

Learn More about septic tank

  1. Britannica.com: Encyclopedia article about septic tank

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