0 an artificial channel for carrying water, with an opening at one end to control the flow of the water -- canal de desagüe
1 If water sluices out from somewhere, it flows in large amounts. -- correr a raudales
Water sluiced out from the pipes.
2 (often sluice-gate) a sliding gate for controlling a flow of water in an artificial channel -- esclusa, compuerta
We shall have to open the sluice.
3 the channel or the water which flows through it. -- canal
