IPA: //ˌseɪ.kroʊˈɪl.i.æk//
KK: /sækrəʊˈɪliæk/
adjective
Definition: Relating to the area where the sacrum and ilium bones meet in the lower back, including their joints and ligaments.
Example: The doctor examined the patient's sacroiliac joint for any signs of inflammation.
noun
Definition: A joint in the lower back where the sacrum and the ilium of the pelvis meet, important for connecting the spine to the pelvis.
Example: The doctor explained that pain in the sacroiliac joint can cause discomfort in the lower back and hips.