dry well

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dry well

also dry·well (drī′wĕl′)
n.
An underground chamber, usually containing stones or rubble, that collects rainwater from the roof of a building and allows it to seep gradually into the soil, reducing runoff.

dry′ well`


n.
a hole used to drain off surface water, allowing it to be absorbed underground.
[1760–70]
References in periodicals archive ?
construction of the road drainage system (storm water drainage, drainage ditches, absorbing wells, tanks, equipment pre-treatment)
The technical management essentially comprises the inspection and cleaning of 2 rainwater pumping stations, 13 rain retention basins, 1 sedimentation, 107 absorbing wells and 27,618 m storm sewer with 738 inspection shafts, 1022 road gullies and 66 street gutters.