debouchment

[ dih-boosh-muh nt, -bouch- ]
/ dɪˈbuʃ mənt, -ˈbaʊtʃ- /

noun

an act or instance of debouching.
Also de·bou·chure [dih-boo-shoo r, dih-boo-shoo r] /dɪˈbu ʃʊər, dɪ buˈʃʊər/. Physical Geography. a mouth or outlet, as of a river or pass.

Origin of debouchment

From the French word débouchement, dating back to 1820–30. See debouch, -ment

British Dictionary definitions for debouchment

debouchment
/ (dɪˈbaʊtʃmənt) /

noun

the act or an instance of debouching
Also: debouchure (ˌdeɪbuːˈʃʊə) an outlet, mouth, or opening