Source : Webster's Revised Unabridged Dictionary (1913)

Celiac \Ce"li*ac\, a. (Anat.)
   See C[oe]llac.

Coeliac \C[oe]"li*ac\, Celiac \Ce"li*ac\, a. [L. coeliacus, Gr.
   ?, fr. ? belly, fr. ? hollow.]
   Relating to the abdomen, or to the cavity of the abdomen.

   {C[oe]liac artery} (Anat.), the artery which issues from the
      aorta just below the diaphragm; -- called also {c[oe]liac
      axis}.

   {C[oe]liac flux}, {C[oe]liac passion} (Med.), a chronic flux
      or diarrhea of undigested food.

Source : WordNet®

celiac
     adj 1: belonging to or prescribed for celiac disease; "a celiac
            diet"
     2: of or in or belonging to the cavity of the abdomen [syn: {coeliac}]