Source : Webster's Revised Unabridged Dictionary (1913)

Excruciate \Ex*cru"ci*ate\, a. [L. excruciatus, p. p. of
   excruciare to excruciate; ex out + cruciare to put to death
   on a cross, to torment. See {Cruciate}, {Cross}.]
   Excruciated; tortured.

         And here my heart long time excruciate.  --Chapman.

Excruciate \Ex*cru"ci*ate\, v. t. [imp. & p. p. {Excruciated};
   p. pr. & vb. n. {Excruciating}.]
   To inflict agonizing pain upon; to torture; to torment
   greatly; to rack; as, to excruciate the heart or the body.

         Their thoughts, like devils, them excruciate.
                                                  --Drayton.

Source : WordNet®

excruciate
     v 1: torment emotionally or mentally [syn: {torment}, {torture},
          {rack}]
     2: subject to torture; "The sinners will be tormented in Hell,
        according to the Bible" [syn: {torture}, {torment}]