verb (used without object)
- to emerge from a relatively narrow valley upon an open plain: A river or glacier debouches on the plains.
- to flow from a small valley into a larger one.
Origin of debouch
Examples from the Web for debouch
Debouch′ment, the act of debouching; Debouchure′, the mouth of a river or strait.
All the caravan routes from Central Africa debouch upon this place and Bagamoyo.Sketches of the East Africa Campaign|Robert Valentine Dolbey
The seas are getting larger as we debouch into the Atlantic.Diary of a U-Boat Commander|Anonymous
Their debouch upon the plains of the Illinois has already been mentioned.The Land of the Miamis|Elmore Barce
The river once crossed, they had only before them, from k to z, slopes which were practicable to debouch on the plateau of Chancy.History of Julius Caesar Vol. 2 of 2|Napoleon III, Emperor of the French, 1808-1873.