sa·cro·il·i·ac
ˌsa-krō-ˈi-lē-ˌak
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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share