[il-ee-uh m]

noun, plural il·i·a [il-ee-uh] /ˈɪl i ə/. Anatomy.

the broad, upper portion of either hipbone.

Nearby words

  1. iliopectineal line,
  2. iliopsoas muscle,
  3. iliotibial band,
  4. iliotrochanteric,
  5. iliotrochanteric ligament,
  6. ilk,
  7. ilka,
  8. ilkeston,
  9. ilkley,
  10. ill

Origin of ilium

1705–1710; < New Latin, special use of Medieval Latin īlium, as singular of Latin īlia; see ileum

Related formspre·il·i·um, noun, plural pre·il·i·a.sub·il·i·um, noun, plural sub·il·i·a.

Can be confusedileum ilium Ilium


[il-ee-uh m]


Latin name of ancient Troy.
Can be confusedileum ilium Ilium Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ilium

British Dictionary definitions for ilium


noun plural -ia (-ɪə)

the uppermost and widest of the three sections of the hipbone



the Latin name for ancient Troy
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 ilium



pelvic bone, 1706, Modern Latin, from Latin ilia (plural) "groin, flank" (see ileum).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for ilium



n. pl. il•i•a (-ē-ə)

The uppermost and widest of the three bones constituting either of the lateral halves of the pelvis.iliac bone

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

Science definitions for ilium



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.