Source : Webster's Revised Unabridged Dictionary (1913)

Pancreatin \Pan"cre*a*tin\, n. [See {Pancreas}.] (Physiol.
   Chem.)
   One of the digestive ferments of the pancreatic juice; also,
   a preparation containing such a ferment, made from the
   pancreas of animals, and used in medicine as an aid to
   digestion.

   Note: By some the term pancreatin is restricted to the
         amylolytic ferment of the pancreatic juice, by others
         it is applied to trypsin, and by still others to
         steapsin.

Source : WordNet®

pancreatin
     n : extract from the pancreas of animals that contains
         pancreatic enzymes; used to treat pancreatitis and other
         conditions involving insufficient pancreatic secretions