[1] : The Collaborative International Dictionary of English v.0.48

iliac \il"iac\, a. l. iliacus, gr. ?. see iliad.
   pertaining to ancient ilium, or troy. --gladstone.
   1913 webster
see also:
iliad 

[2] : The Collaborative International Dictionary of English v.0.48

ileac \il"eac\, a. see ileum.
   1. anat. pertaining to the ileum. written also iliac.
      1913 webster

   2. see iliac, 1. r.
      1913 webster

   ileac passion. med. see ileus.
      1913 webster
see also:
ileum iliac iliac ileac passion ileus 

[3] : The Collaborative International Dictionary of English v.0.48

iliac \il"iac\, 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.
      1913 webster

   2. see ileac, 1. r.
      1913 webster

   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.
      1913 webster
see also:
ileum jade ileac ileac iliac crest iliac passion 
ileus iliac region 

[4] : WordNet (r) 2.0

iliac
     adj : of or relating to the ilium

Iliac >> I Words
Iliac, definition of term: Iliac
iliac_pag1.html

Iliac Crest >> I Words
Iliac Crest, definition of term: Iliac Crest
iliac+crest_pag1.html