rubble drain

French drain, boulder ditch, rubble drain

French drain
French Colonial architecture: Spanish Customs House, New Orleans
1. A drain consisting of a trench filled with loose stones and covered with earth.
2. Same as drain tile.
References in periodicals archive ?
It was noticed that an old rubble drain linked to the beck was communicating directly with the main spring supplying the reservoir and transferring the deadly typhoid microbes to the local drinking water supply.
Where there is a danger of this, insert some rubble drains as part of site preparation.