Source : Webster's Revised Unabridged Dictionary (1913)

Peptic \Pep"tic\, n.
   1. An agent that promotes digestion.

   2. pl. The digestive organs.

            Is there some magic in the place, Or do my peptics
            differ?                               --Tennyson.

Peptic \Pep"tic\, a. [L. pepticus, Gr. ?. See {Pepsin}.]
   1. Relating to digestion; promoting digestion; digestive; as,
      peptic sauces.

   2. Able to digest. [R.]

            Tolerably nutritive for a mind as yet so peptic.
                                                  --Carlyle.

   3. (Physiol. Chem.) Pertaining to pepsin; resembling pepsin
      in its power of digesting or dissolving albuminous matter;
      containing or yielding pepsin, or a body of like
      properties; as, the peptic glands.

Source : WordNet®

peptic
     adj : relating to or promoting digestion; "peptic juices"