Source : Webster's Revised Unabridged Dictionary (1913)

Decortication \De*cor`ti*ca"tion\, n. [L. decorticatio: cf. F.
   d['e]cortication.]
   The act of stripping off the bark, rind, hull, or outer coat.

Source : WordNet®

decortication
     n : removal of the outer covering of an organ or part