ilium

[il-ee-uh m] /ˈɪl i əm/
noun, plural ilia
[il-ee-uh] /ˈɪl i ə/ (Show IPA).
Anatomy
1.
the broad, upper portion of either hipbone.
Origin
1705-1710; < Neo-Latin, special use of Medieval Latin īlium, as singular of Latin īlia; see ileum
Related forms
preilium, noun, plural preilia.
subilium, noun, plural subilia.
Can be confused
ileum, ilium, Ilium.

Ilium

[il-ee-uh m] /ˈɪl i əm/
noun
1.
Latin name of ancient Troy.
Can be confused
ileum, ilium, Ilium.
British Dictionary definitions for ilium

ilium

/ˈɪlɪəm/
noun (pl) -ia (-ɪə)
1.
the uppermost and widest of the three sections of the hipbone

Ilium

/ˈɪlɪəm/
noun
1.
the Latin name for ancient Troy
Word Origin and History for ilium
n.

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

ilium in Medicine

ilium il·i·um (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. Also called iliac bone.

ilium 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.

iliac adjective