(1) Artificially high; above the normal voice range
"A falsetto voice"
noun
(2) A male singing voice with artificially high tones in an upper register
WiktionaryText
Noun
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.
