The Collaborative International Dictionary
Evirate
Evirate \E"vi*rate\, v. t. [L. eviratus, p. p. of evirare to
castrate; e out + vir man.]
To emasculate; to dispossess of manhood. [Obs.]
--Bp. Hall.
Wiktionary
evirate
vb. 1 To castrate. 2 To render weak or unmanly.