debouch

debouch
[dɪˈbaʊtʃ, -ˈbuːʃ]
verb

[no obj., with adverbial of direction]emerge from a narrow or confined space into a wide, open area
（从狭窄处）流入（开阔地）；溢出
the stream finally debouches into a silent pool.
溪流最终流入了寂静的池塘。

派生
debouchment
noun
语源

mid 18th cent.: from French déboucher, from dé- (expressing removal) + bouche 'mouth' (from Latin bucca 'cheek')