Artificial intelligent assistant

castrato

castrato
  (kaˈstrato)
  Pl. castrati.
  [Ital.; pa. pple. of castrare used substantively:—L. castrāre to castrate.]
  A male singer castrated in boyhood so as to retain a soprano or alto voice.

1763 J. Brown Poetry & Mus. v. 63 An Italian Castrato (who hath laboured at this Refinement through his whole Life). 1879 E. Gosse Lit. N. Europe 147 The Italian Opera..with its gang of castrati.

Oxford English Dictionary

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