1. small streams or channels of water; narrow grooves or furrows

Examples

• Rain created small runnels down the hillside.
• The melting snow formed runnels along the edge of the road.
• Water flowed through the runnels carved in the stone.
• The farmer dug runnels to direct irrigation water to his crops.
• Tiny runnels of water trickled from the roof after the storm.
• The ancient runnels in the rock showed where water had flowed for centuries.