an alluvial deposit that contains particles of some valuable mineral
"The prospectors spent weeks sifting through the dry riverbed placer hoping to find traces of gold in the gravel."
One who places or arranges something.
"The prospector spent his morning sifting through a riverbed placer to find traces of gold in the gravel."
A lamb whose mother has died and which has transferred its attachment to an object, such as a bush or rock, in the locality.
A place where the superficial detritus is washed for gold, etc.
alluvial; occurring in a deposit of sand or earth on a river-bed or bank, particularly with reference to precious metals such as gold or silver
"The prospector spent his entire savings searching for gold placer deposits along the muddy banks of the Colorado River."
A municipality of Masbate, Philippines.
"During our trip to Masbate, we spent a day exploring the historic town of Placer before heading back to Legazpi."