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sacroiliac

adjective
sa·​cro·​il·​i·​ac | \ˌsa-krō-ˈi-lē-ˌak, ˌsā-\

Definition of sacroiliac 

(Entry 1 of 2)

: of, relating to, or being the region of the joint between the sacrum and ilium sacroiliac pain

sacroiliac

noun

Definition of sacroiliac (Entry 2 of 2)

: the sacroiliac region also : its firm fibrous cartilage

Examples of sacroiliac in a Sentence

Recent Examples on the Web: Noun

 According to Owen, the sacroiliac joints just beneath your spine that connect to the sacrum are similarly vulnerable, along with your wing-like hip bones. — Holly Lebowitz Rossi, Good Housekeeping, "What to Do Right After You Throw Out Your Back," 26 July 2018

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

First Known Use of sacroiliac

Adjective

1831, in the meaning defined above

Noun

1936, in the meaning defined above

History and Etymology for sacroiliac

Adjective

probably from French sacro-iliaque, from New Latin sacrum + French iliaque iliac

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The first known use of sacroiliac was in 1831

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More Definitions for sacroiliac

sacroiliac

adjective
sa·​cro·​il·​i·​ac | \ˌsak-rō-ˈil-ē-ˌak, ˌsā-krō- \

Medical Definition of sacroiliac 

(Entry 1 of 2)

: of, relating to, affecting, or being the region of the joint between the sacrum and the ilium sacroiliac distress

sacroiliac

noun

Medical Definition of sacroiliac (Entry 2 of 2)

: sacroiliac joint

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Britannica.com: Encyclopedia article about sacroiliac

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