French drain

Diagram of a French drain

Meaning

Noun

  • A shallow trench, sometimes lined with tile or containing a perforated pipe, backfilled with gravel and then covered over, used to collect and channel runoff water.
  • A gravel-filled corridor with a perforated pipe running through it that runs against the foundation footings of a building, used to collect ground water and drain it away from the building's interior.

Related

Similar words

Origin

  • Perhaps after Henry French of Concord, MA

Modern English dictionary

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