Ileac \Il"e*ac\, a. [See {Ileum}.] 1. (Anat.) Pertaining to the ileum. [Written also {iliac}.]
2. See {Iliac}, 1. [R.]
{Ileac passion}. (Med.) See {Ileus}.
Iliac \Il"i*ac\, a. [Cf. F. iliaque. See {Ileum}, and cf. {Jade} a stone.] 1. (Anat.) Pertaining to, or in the region of, the ilium, or dorsal bone of the pelvis; as, the iliac artery. [Written also {ileac}.]
2. See {Ileac}, 1. [R.]
{Iliac crest}, the upper margin of the ilium.
{Iliac passion}. See {Ileus}.
{Iliac region}, a region of the abdomen, on either side of the hypogastric regions, and below the lumbar regions.