septic tank

noun

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

Examples of septic tank in a Sentence

Recent Examples on the Web

Although the brackish estuary’s health is improving somewhat — particularly in the Mosquito Lagoon — the entire system remains impaired by pollution, including from septic tanks and wastewater spills. — Molly Duerig, Miami Herald, 24 Aug. 2026

Instead, the project would require a septic tank, adding $50,000 to $200,000 to the estimate, the report said. — Haley Parsley, Sacbee.com, 20 Aug. 2026

Moisture-seeking trees like weeping willows can be problematic and should be planted 50 feet from structures, driveways, and septic tanks. — Brandee Gruener, Southern Living, 31 July 2026

Did a septic tank in the area leak or break, allowing waste to seep in? — Brenda Goodman, CNN Money, 25 July 2026

Word History

First Known Use

1896, in the meaning defined above

Rhymes for septic tank

• antitank
• interbank
• riverbank
• banc
• bank
• blank
• clank
• crank
• dank
• drank
• flank
• franc

Kids Definition

septic tank

noun

: a tank in which solid sewage is broken down by bacteria