n. A wash or loose superficial deposit of white boulders and pebbles of quartz and sericite-schist which appears on the hillsides above the gold-bearing creeks of the Klondike and is itself auriferous. See the extract.n. A wash or liquid composition for whitening something.n. A composition of quicklime and water, or, for more careful work, of whiting, size, and water, used for whitening the plaster of walls, woodwork, etc., or as a freshening coating for any surface. It is not used for fine work.n. False coloring, as of character, alleged services, etc.; the covering up of wrong-doing or defects: as, the investigating committee applied a thick coat of whitewash.n. In base-ball and other games, a contest in which one side fails to score.To cover with a white liquid composition, as with lime and water, etc.To make white; give a fair external appearance to; attempt to clear from imputations; attempt to restore the reputation of.To clear by a judicial process (an insolvent or bankrupt) of the debts he owes.In base-ball, etc., to beat in a game in which the opponents fail to score.To become coated with a white inflorescence, as some bricks.