Definitions

1. noun

A small channel or stream of water, especially one that has been formed by erosion.

“The gardener created a small runnel to direct excess water away from the plants.”

2. noun

A narrow groove or channel, especially one used for a specific purpose, such as a runnel on a roof to direct water.

“The engineer designed a runnel to guide rainwater into a drainage system.”

3. verb

To flow or move in a small stream, especially one that is formed by erosion.

“Water runneled through the field after the heavy rainfall.”