fal·set·to
noun/fɔːlˈsetəʊ/
/fɔːlˈsetəʊ/
(plural falsettos)
- an unusually high voice, especially the voice that men use to sing very high notes
（尤指男高音的）假声 Oxford Collocations DictionaryFalsetto is used before these nouns:- voice
Word Originlate 18th cent.: from Italian, diminutive of falso ‘false’, from Latin falsus, fallere ‘deceive’.