• (n.) A kind of glass of a red or ruby color, made in Bohemia.
Schmel'ze noun [ German schmelz , schmelzglas .] A kind of glass of a red or ruby color, made in Bohemia. 
Literally 'melted' in German (surprisingly the Italians also use this term, having no word of their own for this technique). The more-or-less random application of threads and pieces of coloured glass to the surface of a piece, which are then re-heated and marvered flat