ground sluice

noun Mining.

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

OTHER WORDS FROM ground sluice

ground-sluic·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for 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.