scolmatore significa in inglese

floodgate [floodgates]▼(gate or valve)
noun
[UK: ˈflʌd.ɡeɪt] [US: ˈflʌd.ˌɡet]

sluice [sluices]▼(passage for water)
noun
[UK: sluːs] [US: sˈluːs]

sluice gate▼(portal to allow passage of water)
noun
[UK: sluːs ɡeɪt] [US: sˈluːs ˈɡeɪt]