- 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.
- Physical Geography.
- 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.
- to come forth; emerge.
Origin of debouch
1655–65; < French déboucher, equivalent to dé- dis-1 + -boucher, verbal derivative of bouche mouth < Latin bucca cheek, jaw
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for debouch
The regiments destined for the expedition began to debouch from the city.The Man in the Iron Mask
Alexandre Dumas, Pere
But that any of these passages should debouch beyond the Roman lines had not occurred to them.For the Temple
G. A. Henty
The seas are getting larger as we debouch into the Atlantic.Diary of a U-Boat Commander
Their debouch upon the plains of the Illinois has already been mentioned.The Land of the Miamis
Meanwhile, the 1st Corps crossed Rheims, with orders to debouch at Btheny.
- (intr) (esp of troops) to move into a more open space, as from a narrow or concealed place
- (intr) (of a river, glacier, etc) to flow from a valley into a larger area or body
- Also called: débouché (French debuʃe) fortifications an outlet or passage, as for the exit of troops
C18: from French déboucher, from dé- dis 1 + bouche mouth, from Latin bucca cheek
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012