sacroiliac

noun

1. the joint where the sacrum and ilium meet.

adjective

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

adjective

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

noun

2. the joint where these bones meet

adj.

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

n.

1. The sacroiliac region or cartilage.