Source : Webster's Revised Unabridged Dictionary (1913)

Emasculate \E*mas"cu*late\, v. t. [imp. & p. p. {Emasculated};
   p. pr. & vb. n. {Emasculating}.] [L. emasculare; e + masculus
   male, masculine. See {Male} masculine.]
   1. To deprive of virile or procreative power; to castrate
      power; to castrate; to geld.

   2. To deprive of masculine vigor or spirit; to weaken; to
      render effeminate; to vitiate by unmanly softness.

            Luxury had not emasculated their minds. --V. Knox.

Source : WordNet®

emasculated
     adj : (of a male animal) having the testicles removed; "a cut
           horse" [syn: {cut}, {gelded}]