ghyll
/ɡɪl/
noun
- A narrow, steep-sided valley, often with a stream running through it; a ravine or gorge.
- A cool breeze came up from the ghyll, carrying the sound of rushing water.
- We hiked down into the ghyll, where the waterfall echoed off the rocky walls.
- The old map marked several ghylls in the Lake District, popular with climbers.