Learn how to say Falsetto correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word falsetto:
noun (plural falsettos)
a method of voice production used by male singers, especially tenors, to sing notes higher than their normal range:
he sang in a piercing falsetto
a singer using the falsetto method of voice production.
a voice or sound that is unusually high:
Philip answered in a prim falsetto
a falsetto voice
late 18th century: from Italian, diminutive of falso ‘false’, from Latin falsus (see false)