The Collaborative International Dictionary of English v.0.48:
Coeliac \C[oe]"li*ac\, Celiac \Ce"li*ac\, a. [L. coeliacus, Gr. ?, fr. ? belly, fr. koi^los hollow.] Relating to the abdomen, or to the cavity of the abdomen. [1913 Webster] 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. [1913 Webster]