digestive apparatus
Webster's Dictionary (GCIDE)
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. [1913 Webster]
Digestive apparatus, the organs of food digestion, esp. the alimentary canal and glands connected with it.
Digestive salt, the chloride of potassium. [1913 Webster]