corso d'acqua znamená v Angličtina

brook [brooks]▼(a small stream)
noun
[UK: brʊk] [US: ˈbrʊk]

run [runs]▼(creek)
noun
[UK: rʌn] [US: ˈrən]

watercourse [watercourses]▼(channel through which water flows)
noun
[UK: ˈwɔː.tək.ɔːs] [US: ˈwɔːr.tək.ɔːrs]