The Collaborative International Dictionary
Sacrovertebral
Sacrovertebral \Sa`cro*ver"te*bral\, a. (Anat.) Of or pertaining to the sacrum and that part of the vertebral column immediately anterior to it; as, the sacrovertebral angle.
Wiktionary
sacrovertebral
a. Of, relating to, or affecting the sacrum and the vertebrae above it.