An artificial passage for water, fitted with a valve or gate, for example in a canal lock or a mill stream, for stopping or regulating the flow. / A water gate or floodgate.

(transitive, rare) To emit by, or as by, flood gates. / (transitive) To wet copiously, as by opening a sluice / (transitive) To wash with, or in, a stream of water running through a sluice.

simple past tense and past participle of sluice

plural of sluice

The act by which something is sluiced; a copious wetting; a drenching.

present participle of sluice

plural of sluicing

A box with riffles along the bottom, used to trap heavier gold particles as water washes them and the other material along the box.

Alternative form of sluice gate

A portal which may be opened or closed to allow or prevent the passage of water through a man-made channel.