Sweep"wash`er (?), n. One who
extracts the residuum of precious metals from the sweepings,
potsherds, etc., of refineries of gold and silver, or places where
these metals are used.
Sweep"wash`er (?), n. One who
extracts the residuum of precious metals from the sweepings,
potsherds, etc., of refineries of gold and silver, or places where
these metals are used.