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ilium

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

the broad, upper portion of either hipbone.

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for ilia

ilia

noun

the plural of ilium

Ilia

noun

(in Roman legend) the daughter of Aeneas and Lavinia, who, according to some traditions, was the mother of Romulus and RemusSee also Rhea Silvia

Ilium

noun

the Latin name for ancient Troy

ilium

noun plural -ia (-ɪə)

the uppermost and widest of the three sections of the hipbone
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 ilia

Latin plural of ilium (see ileum).

ilium

n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
ilia in Medicine

ilium

[ĭl′ē-əm]

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.
ilia in Science

ilium

[ĭl′ē-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.