debouch
1. [ verb ] march out (as from a defile) into open ground
Synonyms: march_out
Examples:

"The regiments debouched from the valley"

Related terms: march
2. [ verb ] pass out or emerge; esp. of rivers
Examples:

: "The tributary debouched into the big river"

Related terms: issue
Similar spelling:   debauch
  debauchee
  devoice
  devious
  Devos