SINCE 1828
ilium
noun
il·i·um
| \ ˈi-lē-əm
\
\
plural ilia\ ˈi-lē-ə
\
\
Definition of ilium
: the broad, dorsal, upper, and largest of the three principal bones composing either half of the pelvis
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More Definitions for ilium
ilium
noun
il·i·um
| \ ˈil-ē-əm
\
\
plural ilia\ -ē-ə
\
\
Medical Definition of ilium
: the dorsal, upper, and largest one of the three bones composing either lateral half of the pelvis that in humans is broad and expanded above and narrower below where it joins with the ischium and pubis to form part of the acetabulum
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