b'Simon van der Sluijs * artistDRAWINGPAINTINGSCULPTUREMULTIMEDIAPUPPETRYTHEATRE*sluice |slos|(also sluice gate) a sliding gate or other device for controlling the flow of water, esp. one in a lock gate.1ORIGIN Middle English (as a noun): from Old French escluse sluice gate, based on Latin excludere exclude.The verb dates from the late 16th cent.'