Sacrum — definition

1. sacrum (Noun)

1 definition

sacrum (Noun) — Wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx.

2 types of
bone os
1 part
sacral vertebra
4 parts of
hip pelvic arch pelvic girdle pelvis