First Known Use: 1706
Dictionary
ilium
noun il·i·um \ˈi-lē-əm\
plural il·ia \-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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Origin of ILIUM
New Latin, alteration of Latin ilia
Other Anatomy Terms
Ilium
geographical name
Definition of ILIUM
— see troy 3
— Il·i·an \ˈi-lē-ən\ adjective or noun
Medical Dictionary
ilium
noun il·i·um \ˈil-ē-əm\
plural il·ia \-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
Illustration of ILIUM
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