Before revision: A constructed swale or bioswale built in a residential area to manage stormwater runoff A swale is a shady spot, or a sunken or marshy place.Chambers Dictionary, Edinburgh, 1998, p. 1668.
After revision: A constructed swale bioswale built in a residential area to manage stormwater runoff A swale is a shady spot, or a sunken or marshy place.Chambers Dictionary, Edinburgh, 1998, p. 1668.