fal•set•toPronunciation: (fôl-set'ō), [key]
—n., pl. -tos,
an unnaturally or artificially high-pitched voice or register, esp. in a man.
a person, esp. a man, who sings with such a voice.
of, noting, or having the quality and compass of such a voice.
in a falsetto.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.