watercourse
/ˈwɔtərˌkɔrs/
noun
- A stream, river, or channel through which water flows.
- Farmers rely on the natural watercourse to irrigate their fields.
- Heavy rain caused the watercourse to overflow its banks.
- The hiking trail follows a watercourse through the forest.
- The bed or channel of a river or stream.
- The watercourse was lined with smooth stones from years of flowing water.
- The old map shows the watercourse has shifted over the years.
- Geologists studied the dry watercourse to understand ancient flooding patterns.