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| il·i·um [ íllee əm ] (plural il·i·a [ íllee ə ]) |
noun |
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| Definition: |
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part of pelvis: the wide flat upper portion of the pelvis that is connected to the base of the vertebral column. The ilium is a separate bone at birth but later becomes fused with two other bones to form the hip bone innominate bone.
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| [14th century. < late Latin, "flank, groin" < Latin ilia (plural) "flanks"] |
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