placer Meaning, Definition & Usage

  1. noun an alluvial deposit that contains particles of some valuable mineral

WordNet

Pla"cer noun
Definitions
  1. One who places or sets. Spenser.
Plac"er noun
Etymology
Sp.
Definitions
  1. A deposit of earth, sand, or gravel, containing valuable mineral in particles, especially by the side of a river, or in the bed of a mountain torrent. U.S.

Webster 1913