Source : Webster's Revised Unabridged Dictionary (1913)

Parchment \Parch"ment\ (-ment), n. [OE. parchemin, perchemin, F.
   parchemin, LL. pergamenum, L. pergamena, pergamina, fr. L.
   Pergamenus of or belonging to Pergamus an ancient city of
   Mysia in Asia Minor, where parchment was first used.]
   1. The skin of a lamb, sheep, goat, young calf, or other
      animal, prepared for writing on. See {Vellum}.

            But here's a parchment with the seal of C[ae]sar.
                                                  --Shak.

   2. The envelope of the coffee grains, inside the pulp.

   {Parchment paper}. See {Papyrine}.

Source : WordNet®

parchment
     n 1: a superior paper resembling sheepskin
     2: skin of a sheep or goat prepared for writing on [syn: {sheepskin},
         {lambskin}]