The phrase "sluice gates" refers to the doors or barriers used to control the flow of water in canals or rivers. They can be opened or closed to regulate the amount of water passing through them. Full definition
Selfie enthusiasts capture rushing floodwater at the Katulampa sluice gate in Bogor, West Java, on Feb. 5. (thejakartapost.com)
The Marib Dam, in an unpopulated area far from the capital, was struck in 2015, leaving a deep gash in the well - preserved northern sluice gate. (sciencemag.org)
Misadventures with a sabotaged sluice gate offer brief action but the real drama comes from Sabine's hidden past. (gamesradar.com)