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