A descriptive name that covers many very different things. They can be pastry shells filled with prosciutto and cheese or mushrooms, or a stew. Or hollowed-out halves of aubergine, potato, tomato or artichoke with various fillings. They might be hearty things made out of potato gnocchi dough, or delicate pastry cups that hold a chocolate or fruit dessert. Or store-bought wafer cups for ice cream.
Scodelline is also a name for the almond custard enjoyed by Italian Jews at Passover, served in small cups.