il·​i·​ac | \ ˈi-lē-ˌak How to pronounce iliac (audio) \
variants: or less commonly ilial \ ˈi-​lē-​əl How to pronounce iliac (audio) \

Definition of iliac

: of, relating to, or located on or near the ilium

Examples of iliac in a Sentence

Recent Examples on the Web Backpacks are sized according to torso length (as measured from your bony C7 vertebrae at the base of your neck to your iliac crest at the top of your hip bone) and hip belt width. Adrienne Donica, Popular Mechanics, 12 Mar. 2020 The giving process involves taking bone marrow from the iliac crest of the hipbone while the donor is under anesthesia or collecting peripheral blood stem cells in a process similar to donating blood platelets. Brooke Henderson, miamiherald, 2 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'iliac.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of iliac

1541, in the meaning defined above

History and Etymology for iliac

Late Latin iliacus, from Latin ilium

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Cite this Entry

“Iliac.” Dictionary, Merriam-Webster, Accessed 14 Aug. 2022.

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More Definitions for iliac


il·​i·​ac | \ ˈil-ē-ˌak How to pronounce iliac (audio) \
variants: also ilial \ ˈil-​ē-​əl How to pronounce iliac (audio) \

Medical Definition of iliac

1 : of, relating to, or located near the ilium the iliac bone
2 : of or relating to either of the lowest lateral abdominal regions


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