Definitions for "Swales"
Vegetated areas used in place of curbs or paved gutters to transport stormwater runoff. They also can temporarily hold small quantities of runoff and allow it to infiltrate into the soil.
Open, vegetated drainage channel designed to detain, treat and/or infiltrate stormwater.
Slight depressions or valleys in the ground surface where water collects; typically refers to narrow valleys between parallel sand dunes.