noun
- One of 5 vertebrae in the human spine that fuse in the adult to form the sacrum. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). sacral vertebra. Retrieved September 22, 2026, from http://smartdefine.org/sacral_vertebra/definitions/1213560 |
| Chicago | WordNet. 2010. "sacral vertebra" http://smartdefine.org/sacral_vertebra/definitions/1213560 (accessed September 22, 2026). |
| Harvard | WordNet 2010, sacral vertebra, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/sacral_vertebra/definitions/1213560>. |
| MLA | WordNet. "sacral vertebra" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/sacral_vertebra/definitions/1213560> |