ilium
noun
the broad, upper portion of either hipbone.
ilium
1 American
[il-ee-uhm]
/ ˈɪl i əm /
noun
Anatomy.
ilia
plural
Ilium
2
American
[il-ee-uhm]
/ ˈɪl i əm /
noun
ilium
1
British
/ ˈɪlɪəm /
noun
Ilium
2
British
/ ˈɪlɪəm /
noun
ilium
Scientific
/ ĭl′ē-əm /
ilia
plural
-
The uppermost and widest of the three bones that fuse together to form each of the hipbones.
-
See more at skeleton
Other Word Forms
Etymology
Origin of ilium
1705–1710; < New Latin, special use of Medieval Latin īlium, as singular of Latin īlia; see ileum
Vocabulary lists containing ilium
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They found that roughly around the 6- to 8-week mark, the ilium begins to form and then rotates into its telltale basinlike shape.
From Science Magazine • Aug. 16, 2022
But among modern humans, those regulatory bits in the ilium show strikingly little variation.
From Science Magazine • Aug. 16, 2022
Growing layers of cartilage also form synchondroses that join together the ilium, ischium, and pubic portions of the hip bone during childhood and adolescence.
From Textbooks • Jun. 19, 2013
The largely immobile sacroiliac joint is supported by a pair of strong ligaments that are attached between the sacrum and ilium portions of the hip bone.
From Textbooks • Jun. 19, 2013
In the latter, at least half of the origin is from the last one or two free dorsal vertebrae; in the carduelines no more than one third of the origin is anterior to the ilium.
From Myology and Serology of the Avian Family Fringillidae A Taxonomic Study by Stallcup, William B.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
