1. debouch - Noun
2. debouch - Verb
To march out from a wood, defile, or other confined spot, into open ground; to issue.
Source: Webster's dictionaryAll the past we leave behind We debouch upon a newer, mightier world, varied world, Fresh and strong the world we seize, world of labor and the march, Pioneers O Pioneers. Walt Whitman
The tributary debouched into the big river Source: Internet
The regiments debouched from the valley Source: Internet