D defs.my
Entry 1 sense Webster, 1913

Castrato

/kăsträʹtō/ · Cas·tra·to · IPA /kæsˈtɹɑː.təʊ/
01 n. A male person castrated for the purpose of improving his voice for singing; an artificial, or male, soprano.
  1. 1.
    A male person castrated for the purpose of improving his voice for singing; an artificial, or male, soprano.