01 v. i. To march out from a wood, defile, or other confined spot, into open ground; to issue.
imp. & p. p.
Debouched; p. pr. & vb. n.
Debouching
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1.
To march out from a wood, defile, or other confined spot, into open ground; to issue.“Battalions debouching on the plain.” — Prescott.
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2.
To issue; -- said of a stream passing from a gorge out into an open valley or a plain.(Geog.)