The Collaborative International Dictionary of English v.0.48:

Stomachic \Sto*mach"ic\, Stomachical \Sto*mach"ic*al\, a. [L.
   stomachicus, Gr. ?: cf. F. stomachique.]
   1. Of or pertaining to the stomach; as, stomachic vessels.
      [1913 Webster]

   2. Strengthening to the stomach; exciting the action of the
      stomach; stomachal; cordial.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Stomachic \Sto*mach"ic\, n. (Med.)
   A medicine that strengthens the stomach and excites its
   action.
   [1913 Webster]

WordNet (r) 3.0 (2006):

stomachic
    adj 1: relating to or involving the stomach; "gastric ulcer"
           [syn: gastric, stomachic, stomachal]