<p><strong>Verb:</strong></p><ul><li>To march out from a narrow or confined place into open country, as a body of troops.</li><li>To emerge from a relatively narrow valley upon an open plain.</li><li>To flow from a small valley into a larger one.</li><li>To come forth; emerge.</li></ul><p><strong>Noun:</strong></p><ul><li>débouché.</li></ul><p><strong>End of Response</strong></p>