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.


  1. débouché.


  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


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

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