Waste or impure matter.
Worthless or trivial matter.
The impurities in metal.
Residue that forms on the surface of molten metal from oxidation.
A waste product from working with metal.
To remove dross from.
Collectively, items or material that have been discarded; rubbish, garbage.
To decline a request or demand, forbear; to withhold permission.
To melt again.
To decline (a request or demand).
To throw back, or cause to keep back (as the centre, a wing, or a flank), out of the regular alignment when troops are about to engage the enemy.
Discarded, rejected.