Ĭl'e-ăc, a.

a. Pertaining to the ileum, or third division of the lesser intestine. [Written also iliac.] Ileac or iliac passion (Med.), a disease characterized by spasms of the abdominal muscles, griping pain in the bowels, and the vomiting of fecal matter. It is supposed to be dependent upon occlusion of the intestines, either by intus-susception, displacement, or constriction;—called also ileus. See ILIAC. Mayne.