Source : Webster's Revised Unabridged Dictionary (1913)

Disarticulate \Dis`ar*tic"u*late\, v. t.
   To sunder; to separate, as joints. -- {Dis`ar*tic`u*la"tion},
   n.

Source : WordNet®

disarticulate
     v : separate at the joints; "disjoint the chicken before cooking
         it" [syn: {disjoint}]