\Di*gest"ive\, a. [F. digestif, L. digestivus.]
Pertaining to digestion; having the power to cause or promote
digestion; as, the digestive ferments.
      Digestive cheese and fruit there sure will be. --B.
                                               Jonson.
{Digestive apparatus}, the organs of food digestion, esp. the
   alimentary canal and glands connected with it.
{Digestive salt}, the chloride of potassium.

\Di*gest"ive\, n.
1. That which aids digestion, as a food or medicine.
   --Chaucer.
         That digestive [a cigar] had become to me as
         necessary as the meal itself.         --Blackw. Mag.
2. (Med.)
   (a) A substance which, when applied to a wound or ulcer,
       promotes suppuration. --Dunglison.
   (b) A tonic. [R.]