Definition of ilium
: the broad, dorsal, upper, and largest of the three principal bones composing either half of the pelvis
Recent Examples of ilium from the Web
Conclusion: Ilium can be quite difficult to master.
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Origin and Etymology of ilium
New Latin, alteration of Latin ilia
First Known Use: 1706See Words from the same year
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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