[ il-ee-ak ]
/ ˈɪl iˌæk /


of, relating to, or situated near the ilium.

Nearby words

  1. ileus subparta,
  2. ilex,
  3. ilford,
  4. ilhéus,
  5. ilia,
  6. iliac artery,
  7. iliac bone,
  8. iliac bursa,
  9. iliac colon,
  10. iliac crest

Origin of iliac

First recorded in 1510–20; ili(um) + -ac

Related formstrans·il·i·ac, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for iliac

British Dictionary definitions for iliac


/ (ˈɪlɪˌæk) /


anatomy of or relating to the ilium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for iliac



1510s, "pertaining to the disease ileus or colic," from French iliaque or directly from Late Latin iliacus, from ilium "flank, side, entrails" (see ileum).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for iliac


[ ĭlē-ăk′ ]


Of, relating to, or situated near the ilium.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for iliac


[ ĭlē-əm ]

Plural ilia

The uppermost and widest of the three bones that fuse together to form each of the hipbones. See more at skeleton.
Related formsiliac adjective

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.