debouch: Meaning and Definition of

de•bouch

1. to march out from a narrow or confined place into open country, as a body of troops: The platoon debouched from the defile into the plain.
2. A river or glacier debouches on the plains.
1. to emerge from a relatively narrow valley upon an open plain:A river or glacier debouches on the plains.
2. to flow from a small valley into a larger one.
3. to come forth; emerge.

1. débouché.