(1)   Conduit that carries a rapid flow of water controlled by a sluicegate


(2)   Irrigate with water from a sluice
"Sluice the earth"
(3)   Draw through a sluice
"Sluice water"
(4)   Transport in or send down a sluice
"Sluice logs"
(5)   Pour as if from a sluice
"An aggressive tide sluiced across the barrier reef"


escluse, écluse, exclusa, sclusa, from excludere, exclusum, to shut out: confer sluis sluice, from the Old French. See exclude.


  1. An artificial passage for water, fitted with a valve or gate, as in a mill stream, for stopping or regulating the flow; also, a water gate of flood gate.
  2. Hence, an opening or channel through which anything flows; a source of supply.
    Each sluice of affluent fortune opened soon. -Harte.
    This home familiarity . . . opens the sluices of sensibility. -I. Taylor.
  3. The stream flowing through a flood gate.
  4. A long box or trough through which water flows, -- used for washing auriferous earth.


  1. To emit by, or as by, flood gates. -Milton.
  2. To wet copiously, as by opening a sluice; as, to sluice meadows. Howitt.
    He dried his neck and face, which he had been sluicing with cold water. -De Quincey.
  3. To wash with, or in, a stream of water running through a sluice; as, to sluice earth or gold dust in mining.