protective pod concealing key-hinge and -cap

Barilotto - Italian

Coperchia - Italian (dialect)

Coperchio - Italian

Coprichiave - Italian

Fontanel(le) - English

Fontanella - Spanish (Castilian)

Fontanella - Italian

Fontanella - Italian

Fontanella - Italian (Sicily)

Fontanelle - French

Klappenkapsel - German

Lanterna - French: Occitan (Limousin)

Varrilicchiju - Italian (dialect)