Learn how to say Sluicegate correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word sluice:
1 (also sluice gate) a sliding gate or other device for controlling the flow of water, especially one in a lock gate:
the water gushed through the sluices
lake levels are now regulated by sluices
(also sluiceway) an artificial water channel for carrying off overflow or surplus water.
(in gold mining) a channel or trough constructed with grooves into which a current of water is directed in order to separate gold from the ore containing it.
2an act of rinsing or showering with water:
a sluice with cold water
wash or rinse freely with a stream or shower of water:
she sluiced her face in cold water
crews sluiced down the decks of their ship
[no object, with adverbial of direction] (of water) pour or flow freely:
the waves sluiced over them
Middle English (as a noun): from Old French escluse ‘sluice gate’, based on Latin excludere ‘exclude’. The verb dates from the late 16th century