rain garden

noun

rain garden

noun

1

A planted depression or hole that allows rainwater runoff from impervious urban areas, such as roofs and driveways, to be absorbed into the ground.

The area around the station, spanning some 150 hectares, will also be transformed, with sunken rain gardens in the public plaza in addition to an outdoor terrace to the station concourse.2023 May 31, Chris Howe, “A new rail Interchange in the Midlands”, in RAIL, number 984, page 61:

Related terms: bioswale, dry well, drywell, sump

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.