Definitions of sluice:

• noun:   conduit that carries a rapid flow of water controlled by a sluicegate
• verb:   pour as if from a sluice

  Example: "An aggressive tide sluiced across the barrier reef"

• verb:   irrigate with water from a sluice

  Example: "Sluice the earth"

• verb:   draw through a sluice

  Example: "Sluice water"

• verb:   transport in or send down a sluice

  Example: "Sluice logs"