rill
/rɪl/
noun
- A small stream or brook.
- After the rain, a tiny rill formed along the edge of the garden path.
- A clear rill ran through the meadow, providing water for the deer.
- The children followed the rill as it wound its way down the hillside.
- A small channel or groove, especially one made by flowing water.
- Erosion created a network of rills across the bare slope.
- The farmer dug a rill to direct water to the thirsty crops.
- Water trickled through a narrow rill in the rock.