Source : Webster's Revised Unabridged Dictionary (1913)

Effeminate \Ef*fem"i*nate\, v. t. [imp. & p. p. {Effeminated};
   p. pr. & vb. n. {Effeminating}.]
   To make womanish; to make soft and delicate; to weaken.

         It will not corrupt or effeminate children's minds.
                                                  --Locke.