ilium

¹

[il-ee-uhm]

noun

Anatomy.

plural

ilia 

1. the broad, upper portion of either hipbone.

Ilium

²

[il-ee-uhm]

noun

1. Latin name of ancient Troy.

Ilium

¹

/ ˈɪlɪəm /

noun

1. the Latin name for ancient Troy

ilium

²

/ ˈɪlɪəm /

noun

1. the uppermost and widest of the three sections of the hipbone

ilium

plural

ilia 

1. The uppermost and widest of the three bones that fuse together to form each of the hipbones.

2. See more at skeleton

Other Word Forms

• preilium noun
• subilium noun

Word History and Origins

Origin of ilium¹

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

Example Sentences

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

In 2019, the Wakes found the theropod ilium and the duck-billed dinosaur hindquarters that were excavated this summer.

From Seattle Times

Dr. Mörs found two frog bones: a skull and a hip bone called an ilium.

From New York Times

Mörs found two frog bones: a skull and a hip bone called an ilium, one of which resembled those of a living family of frogs called Calyptocephalellidae or helmeted frogs.

From Fox News

Strong ligaments connect it to the ilium bones of the pelvis: these joints are L-shaped and capable of a small amount of movement.

From The Guardian