sacroiliac

American

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

noun

the joint where the sacrum and ilium meet.

adjective

of, relating to, or affecting this joint.

sacroiliac British

/ ˌseɪkrəʊˈɪlɪˌæk, ˌsæk- /

adjective

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

the joint where these bones meet

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sacroiliac

First recorded in 1825–35; sacro- + iliac

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From Los Angeles Times • May 14, 2022

The severity of Kershaw’s sacroiliac joint injury, and a potential timetable for his return, were not immediately disclosed.

From Los Angeles Times • May 13, 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

This joint is supported on either side by the strong anterior and posterior sacroiliac ligaments.

From Textbooks • Jun. 19, 2013

For a man who is pushing 60, I'm in pretty good shape except for my sacroiliac.

From All That Goes Up by Brooks, Kirby

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023