sacroiliac

American  

[sak-roh-il-ee-ak, sey-kroh-] / ˌsæk roʊˈɪl iˌæk, ˌseɪ kroʊ- /

noun

1. the joint where the sacrum and ilium meet.

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adjective

1. of, relating to, or affecting this joint.

sacroiliac British  

/ ˌseɪkrəʊˈɪlɪˌæk, ˌsæk- /

adjective

1. of or relating to the sacrum and ilium, their articulation, or their associated ligaments

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noun

1. the joint where these bones meet

Etymology

Origin of sacroiliac

First recorded in 1825–35; sacro- + iliac

Example Sentences

The veteran left-hander landed on the injured list with right sacroiliac joint inflammation.

From Los Angeles Times • May 14, 2022

The sacroiliac joints are in the hip, where the spine and pelvis connect.

From Los Angeles Times • May 14, 2022

AS, which can affect other parts of the body, results from inflammation between the vertebrae and in the sacroiliac joints.

From Washington Post • Nov. 12, 2021

Figure 8.14 Ligaments of the Pelvis The posterior sacroiliac ligament supports the sacroiliac joint.

From Textbooks • Jun. 19, 2013

Feeling carefully under me, I found that it wasn't the sacroiliac at all, but a cigarette lighter, two gloves, a pack of cigarettes, and two golf balls.

From All That Goes Up by Brooks, Kirby