Rare, chiefly technical or archaic usage meaning ‘to remove dross from molten metal’ or, figuratively, ‘to corrupt by adding impurities’.
Definitions
To remove dross from (molten metal) by skimming or scumming. The foundry worker carefully drossed the aluminum before casting it into molds.
To debase or corrupt by the addition of impurities; to vitiate. Scholars worried that the careless translation would dross the original text.
Synonyms
scum off
skim off
cast aside
cast off