sluice

1. N-COUNT A sluice is a passage that carries a current of water and has a barrier, called a sluice gate, which can be opened and closed to control the flow of water. 有闸水道

2. V-T If you sluice something or sluice it down or out, you wash it with a stream of water. 冲洗

He sluiced the bath and filled it. 他冲洗了浴缸，然后放满了一缸水。