Definitions

1. verb

to emerge or flow out from a narrow opening or confined space, especially a river or stream from a gorge or mountain

“The river debouches into a wide lake after flowing through a narrow canyon.”

2. noun

a place where a river or stream emerges from a confined space, especially a gorge or mountain

“The debouch of the river is a popular spot for hiking and fishing.”

3. noun

a point where a road or path emerges from a forest, wood, or other enclosed area

“The debouch of the forest path led to a stunning view of the countryside.”