bioswale
Etymology
From bio- + swale.
bioswale means A type of biofilter designed to remove silt and pollution from surface runoff, consisting of a swaled drainage course with gently sloped sides and filled with vegetation, compost and/or riprap. Lexicurio rates it Sui generis — a strength score of 90 out of 100.
noun
- A type of biofilter designed to remove silt and pollution from surface runoff, consisting of a swaled drainage course with gently sloped sides and filled with vegetation, compost and/or riprap.