'Placer' definitions:

Definition of 'placer'

(from WordNet)
noun
An alluvial deposit that contains particles of some valuable mineral

Definition of 'Placer'

From: GCIDE
  • Placer \Pla"cer\, n. One who places or sets. --Spenser. [1913 Webster]

Definition of 'Placer'

From: GCIDE
  • Placer \Plac"er\, n. [Sp.] 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.] [1913 Webster]

Placer -- U.S. County in California

From: Gazetteer 2000
Name :
Placer -- U.S. County in California
Population (2000) :
248399
Housing Units (2000) :
107302
Land area (2000) :
1404.367303 sq. miles (3637.294463 sq. km)
Water area (2000) :
98.410589 sq. miles (254.882245 sq. km)
Total area (2000) :
1502.777892 sq. miles (3892.176708 sq. km)
Located within :
California (CA), FIPS 06
Location :
38.971576 N, 120.947618 W