/ Dictionary / Index P placer: Meaning and Definition of Find definitions for: plac•er Pronunciation: (plas'ur), [key] — n. Mining. a surficial mineral deposit formed by the concentration of small particles of heavy minerals, as gold, rutile, or platinum, in gravel or small sands. the site of a form of mining in which a placer deposit is washed to separate the gold or other valuable minerals. plac•er Pronunciation: (plā'sur), [key] — n. a person who sets things in their place or arranges them. a person or animal that is among the winners of a race or other contest. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: placer (Thesaurus) Place Pigalle Placerville Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language