The Collaborative International Dictionary of English v.0.48:

Digestive \Di*gest"ive\, a. [F. digestif, L. digestivus.]
   Pertaining to digestion; having the power to cause or promote
   digestion; as, the digestive ferments.
   [1913 Webster]

         Digestive cheese and fruit there sure will be. --B.
                                                  Jonson.
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   Digestive apparatus, the organs of food digestion, esp. the
      alimentary canal and glands connected with it.

   Digestive salt, the chloride of potassium.
      [1913 Webster]