ballo in maschera angolul

masked ball▼(a formal dance with dancers wearing masks)
noun
[UK: mɑːskt bɔːl] [US: ˈmæskt ˈbɒl]

masquerade [masquerades]▼(party or assembly of people wearing masks and costumes)
noun
[UK: ˌmɑː.skə.ˈreɪd] [US: ˌmæ.skə.ˈreɪd]