An artifical passage for water, fitted with a valve or gate, as in a mill stream, for stopping or regulating the flow; also, a water gate or flood gate.
Hence, an opening or channel through which anything flows; a source of supply.
The stream flowing through a flood gate.
A long box or trough through which water flows, -- used for washing auriferous earth.
To emit by, or as by, flood gates.
To wash with, or in, a stream of water running through a sluice; as, to sluice eart or gold dust in mining.
Among other things, a valve or paddle in a lock that allows water into or out of a lock chamber. Ventelle in French.
A fenland term for a lock.
added shooting of a downed bird on the water.
conduit that carries a rapid flow of water controlled by a sluicegate
irrigate with water from a sluice; "sluice the earth"
draw through a sluice; "sluice water"
a passage through the dam, often used for lowering the water
a vertically sliding gate, often operated by rack and pinion
a wooden channel along which the gold-bearing gravel, sand and water runs
a wooden trough with small cross pieces (riffles) of wood similar to that used in gold placering
A low-level opening for releasing water from a dam.
a simple device for concentrating gold and other dense particles.
A sluice is a water channel that is controlled at its head by a gate. In gold mining, it is used to separate the gold from other silt and debris by channeling the water over ridges that trap the gold.
(2) a long trough-like box set at an incline of about 1:20 through which placer gravel is carried by a stream of water. The gravel is washed away while most of the gold or other heavy metals are caught by riffles or blankets on the floor of the sluice.
an inclined trough, usually made of wood, for washing gold ore. The flow of the water is regulated by flood gates.
gated or valved water channel.
A sluice is a water channel that is controlled at its head by a gate. A sluice gate is traditionally a wooden or metal plate which slides in grooves in the sides of the channel. Sluice gates are commonly used to control water levels and flow rates in rivers and canals.