ground sluice

noun Mining.
  1. a trench, cut through a placer or through bedrock, through which a stream is diverted in order to dislodge and wash the gravel.

Origin of ground sluice

First recorded in 1865–70
Related formsground-sluic·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ground sluice

Historical Examples of ground sluice

  • After the dirt has all been put through the ground-sluice, it is cleaned up in a short board-sluice, or a tom.