sluice (
http://definr.com/sluice)
n : conduit that carries a rapid flow of water controlled by a
sluicegate [syn:
sluiceway,
penstock]
v 1: pour as if from a sluice; "An aggressive tide sluiced across
the barrier reef." [syn:
sluice down]
2: irrigate with water from a sluice; "sluice the earth" [syn:
flush]
3: flow or pour from or as if from a sluice
4: transport in or send down a sluice, as of logs
5: draw through a sluice, as of water