- Crumble away - One who, or that which, molds or forms into shape;
specifically (Founding), one skilled in the art of making molds for
castings. - To crumble into small particles; to turn to dust by
natural decay; to lose form, or waste away, by a gradual separation of
the component particles, without the presence of water; to crumble
away. - To turn to dust; to cause to crumble; to cause to waste
away. - Alt. of Mouldy