De‐bouch″ (?), v. i. [imp. & p. p.Debouched (?); p. pr. & vb. n.Debouching.] [F. déboucher; pref. dé- (L. dis- or de) + boucher to stop up, fr. bouche mouth, fr. L. bucca the cheek. Cf. Disembogue.] To march out from a wood, defile, or other confined spot, into open ground; to issue.
Battalions debouching on the plain. Prescott.