noun
- plural of sacrum; the triangular bones at the base of the spine, formed by fused vertebrae
Usage: anatomy
Examples
- The doctor examined both patients’ sacrums for signs of injury.
- Comparative anatomy studies often focus on the differences between human and primate sacrums.
- The fossils included well-preserved sacrums from several ancient species.
- Physical therapists need to understand how sacrums connect to the hip bones.
- The researcher measured the sacrums of various mammals for her study.