debouch

American  

[dih-boosh, -bauch] / dɪˈbuʃ, -ˈbaʊtʃ /

verb (used without object)

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. Physical Geography.

   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.

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noun

1. débouché.

debouch British  

/ dɪˈbaʊtʃ /

verb

1. (intr) (esp of troops) to move into a more open space, as from a narrow or concealed place

2. (intr) (of a river, glacier, etc) to flow from a valley into a larger area or body

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noun

1. Also called: débouché. fortifications an outlet or passage, as for the exit of troops

Etymology

Origin of debouch

1655–65; < French déboucher, equivalent to dé- dis- ¹ + -boucher, verbal derivative of bouche mouth < Latin bucca cheek, jaw

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Explanation

When soldiers debouch, they march out of a very narrow space. Troops might debouch out of a long pass between mountains, for example. When military troops debouch, they march in a long, narrow line — sometimes single file — because of the width of the area they're moving through. As they debouch, the soldiers emerge in a larger area, like an open field. The narrow space is known as a defile in military terminology. The verb debouch has a French root, déboucher, which combines dé, or "removal," and bouche, "mouth."

Example Sentences

See Examples For:

debouch

But who knew that for centuries it has been possible to travel inland by boat from Rotterdam, climb the Rhine, get into the Danube and debouch upon the Black Sea?

From Time Magazine Archive

Undirected, highways smash and crash through whole neighborhoods, debouch a torrent of autos into already traffic-choked streets.

From Time Magazine Archive

The seas are getting larger as we debouch into the Atlantic.

From The Diary of a U-boat Commander With an Introduction and Explanatory Notes by Etienne by Sir Stephen King-Hall

We debouch upon a newer, mightier world, varied world; Fresh and strong the world we seize, world of labour and the march, Pioneers!

From A Day with Walt Whitman by Maurice Clare

The French were, however, in a position to prevent them from leaving the wood, and every attempt made by the Germans to debouch met with failure.

From The Story of the Great War, Volume V (of 8) Battle of Jutland Bank; Russian Offensive; Kut-El-Amara; East Africa; Verdun; The Great Somme Drive; United States and Belligerents; Summary of Two Years' War by Allen L. (Allen Leon) Churchill

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