The "false" (singing) voice in any human, usually airy and lacking a purity of vowels; created by utilizing the next highest vocal folds above those used for speech and normal range singing. It is commonly confused with the head voice register.
A person who sings in falsetto.
To sing or utter in falsetto.
An abrupt, high-pitched noise or utterance.
A type of emergency vehicle siren sounding quicker and more intense than the wail.
To utter an abrupt, high-pitched noise.