Coulee (noun)

1. A deep ravine or gully that is typically dry, but may contain water during certain times of the year.
2. A steep-sided streambed that is shaped like a U, and is usually dry except during heavy rains.

Origin:

Derived from the french "coulée" meaning a stream of flowing water.

Examples:

1. The coulee was created by water eroding the soft rock over time.
2. The Coulees are a series of deep, steep-sided channels that were formed by glacial meltwater.
3. Coulees are found in many parts of the world, but are particularly common in arid regions.
4. Coulees can also refer to a deep and steep-sided channel cut by a fast stream or river, typically in a semi-arid area.
5. The coulee is a dry streambed that may contain water only during the rainy season.