sluice
Pronunciation: /sluːs/
noun
- 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.
verb

Origin:
Middle English (as a noun): from Old French escluse 'sluice gate', based on Latin excludere 'exclude'. The verb dates from the late 16th century

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