Ravine (noun)

1. A deep, narrow gorge with steep sides, especially one worn by running water.
2. A deep narrow valley between hills or mountains.

Origin:

From old french ravine, from ravin ("a gully, a narrow valley"), from raviner ("to raid"), from ravin ("a raid"), from ravir ("to ravish, to carry off by force"), from latin rapere ("to seize, to carry off, to ravish").

Examples:

1. She hiked down into the ravine, admiring the towering walls of rock on either side.
2. The river flowed peacefully through the ravine, carving its way through the soft stone over time.
3. He peered over the edge of the ravine, feeling a thrill of fear at the sheer drop below.
4. The emergency services had to use ropes to rescue the hikers who had fallen into the ravine.
5. The waterfall cascaded down the side of the ravine, the sound of the water growing louder as he approached.