sacroiliac

1 of 2

adjective

sa·​cro·​il·​i·​ac ˌsa-krō-ˈi-lē-ˌak How to pronounce sacroiliac (audio) ˌsā- How to pronounce sacroiliac (audio)
: of, relating to, or being the region of the joint between the sacrum and ilium
sacroiliac pain

sacroiliac

2 of 2

noun

: the sacroiliac region
also : its firm fibrous cartilage

Examples of sacroiliac in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Noun
The Connection Between Tailbone Pain and Sacroiliac Joint Pain The two sacroiliac joints (one on either side of your lower spine) connect your sacrum (the bone that connects your spine to your pelvis) to your hip bone. Anna Giorgi, Verywell Health, 12 July 2024 Sacroiliac Joint Disorders The sacroiliac (SI) joint connects the pelvis to the sacrum, the triangular bone between the lower spine and tailbone. Stuart Hershman, Verywell Health, 26 June 2023 These include sacroiliac joint derangement, piriformis syndrome and scoliosis, Fishman says. Daryl Austin, USA TODAY, 13 May 2023 Out since May 7 because of sacroiliac joint inflammation that was causing pain in his lower back, Kershaw appears to be on the verge of returning. Laura Blasey, Los Angeles Times, 8 June 2022 My lower back is throbbing, my right sacroiliac staging a violent coup that’s spreading down my leg. Andrew Kay, WIRED, 17 Jan. 2023 The veteran left-hander landed on the injured list with right sacroiliac joint inflammation. Los Angeles Times, 13 May 2022 The sacroiliac joints are in the hip, where the spine and pelvis connect. Los Angeles Times, 13 May 2022 The goal is to avoid irritating the painful and stiff joints, like the sacroiliac joint, while preserving range of motion and strength in the joints that have to compensate in order to move well. Health.com, 26 Jan. 2022

Word History

Etymology

Adjective

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

First Known Use

Adjective

1831, in the meaning defined above

Noun

1936, in the meaning defined above

Time Traveler
The first known use of sacroiliac was in 1831

Dictionary Entries Near sacroiliac

Cite this Entry

“Sacroiliac.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sacroiliac. Accessed 5 Nov. 2024.

Medical Definition

sacroiliac

1 of 2 adjective
sa·​cro·​il·​i·​ac ˌsak-rō-ˈil-ē-ˌak How to pronounce sacroiliac (audio) ˌsā-krō- How to pronounce sacroiliac (audio)
: of, relating to, affecting, or being the region of the joint between the sacrum and the ilium
sacroiliac distress

sacroiliac

2 of 2 noun

More from Merriam-Webster on sacroiliac

Last Updated: - Definition revised
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