Coperchia (m)
(with) definite article: ilprotective pod concealing key-hinge and -cap
Protective pod concealing both key-hinge and -cap; Apparently this feminine term is a dialect form of the common Italian Coperchio.
Barrel-shaped; Decoratively perforated.
Gala, Giuseppe Michele: La zampogna in Campania. In: La zampogna: gli aerofoni a sacco in Italia (2005), II, p.10-11.