Also, in the Western United States, the bed of a stream, even if dry, when deep and having inclined sides; distinguished from a cañon, which has precipitous sides
A deep gulch or ravine formed by water erosion Today they are often dry or have an underfit stream flowing through them In Alberta, many coulees resulted from rapid flow of glacial melt water
A gorge, about 48 km (30 mi) long, of north-central Washington, carved by the Columbia River. It is fed by water from the Grand Coulee Dam (built 1933-1942)