Source : Webster's Revised Unabridged Dictionary (1913)

Exhumation \Ex`hu*ma"tion\, n. [Cf. LL. exhumatio, F.
   exhumation.]
   The act of exhuming that which has been buried; as, the
   exhumation of a body.

Source : WordNet®

exhumation
     n : the act of digging up something (especially a corpse) that
         has been buried [syn: {disinterment}, {digging up}]