sa·cro·il·i·ac
ˌsa-krō-ˈi-lē-ˌak 
ˌsā-
ˌsā-
: of, relating to, or being the region of the joint between the sacrum and ilium
sacroiliac pain
: the sacroiliac region
also
: its firm fibrous cartilage
Examples of sacroiliac in a Sentence
Recent Examples on the Web
Anthony Chiang, Miami Herald, 3 Apr. 2025
Sharpshooting swingman Duncan Robinson is on the shelf due to left sacroiliac joint dysfunction.
—Josh Hammer, MSNBC Newsweek, 31 Mar. 2025
For example, in his study, reimbursement for sacroiliac fusion performed by non-surgeons rose by 435% over a decade.
—Richard Menger Md Mpa, Forbes, 4 Dec. 2024
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
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Noun
But the Heat was also short-handed, missing Nikola Jovic (broken right hand), Kevin Love (personal reasons), Duncan Robinson (left sacroiliac joint dysfunction), Dru Smith (Achilles surgery) and Andrew Wiggins (right hamstring tendinopathy) on Wednesday.
—Anthony Chiang, Miami Herald, 3 Apr. 2025
Sharpshooting swingman Duncan Robinson is on the shelf due to left sacroiliac joint dysfunction.
—Josh Hammer, MSNBC Newsweek, 31 Mar. 2025
For example, in his study, reimbursement for sacroiliac fusion performed by non-surgeons rose by 435% over a decade.
—Richard Menger Md Mpa, Forbes, 4 Dec. 2024
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
Cite this Entry
“Sacroiliac.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sacroiliac. Accessed 18 Apr. 2025.
Copy CitationMedical Definition
sacroiliac
1 of 2 adjective
sa·cro·il·i·ac
ˌsak-rō-ˈil-ē-ˌak
ˌsā-krō-
ˌsā-krō-
sacroiliac
2 of 2 nounLove words? Need even more definitions?
Merriam-Webster unabridged
Share