Gulch (noun)

1. A steep-sided narrow valley or ravine, often with a stream or river running through it.
2. A deep, narrow ravine with steep sides, typically one that has been cut by running water.

Origin:

From american english, from spanish gorgon, from gorga, from old spanish gurza, from gurrisco, from vulgar latin *gurgesco, from latin gurges whirlpool.

Examples:

1. He hiked down into the gulch to explore the stream.
2. The road was built along the bottom of the gulch.
3. A gulch is a steep-sided narrow valley or ravine, often with a stream or river running through it.
4. Gulches are typically formed by erosion, such as by a stream or river cutting through the earth.
5. Gulches are also known to be a popular spot for gold and mineral prospecting.