The Collaborative International Dictionary of English v.0.48:

Pancreatic \Pan`cre*at"ic\, a. [Cf. F. pancr['e]atique.] (Anat.)
   Of or pertaining to the pancreas; as, the pancreatic
   secretion, digestion, ferments.
   [1913 Webster]

   Pancreatic juice (Physiol.), a colorless alkaline fluid
      secreted intermittently by the pancreatic gland. It is one
      of the most important of the digestive fluids, containing
      at least three distinct enzymes, trypsin, steapsin
      (lipase) and an amylase, by which it acts upon all three
      classes of food stuffs. See Pancreas.
      [1913 Webster +PJC]

WordNet (r) 3.0 (2006):

pancreatic
    adj 1: of or involving the pancreas; "pancreatic cancer"