an artificial passage for water fitted with a valve or gate for stopping or regulating flow
an artificial passage for water, e.g. in a millstream, fitted with a valve or gate for stopping or regulating flow
a body of water pent up behind a floodgate
= sluice gate
a channel to drain or carry off surplus water
a long inclined trough for washing ores or gold-bearing earth
an act of sluicing
[alteration of Middle English scluse via French from Latin exclusa, fem past part. of excludere: see exclude]