noun
- Axis of a compound leaf or compound inflorescence.
- The series of vertebrae forming the axis of the skeleton and protecting the spinal cord.
- usage: "the fall broke his back"
- synonyms: spinal column, vertebral column, spine, backbone, back
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). rachis. Retrieved September 20, 2026, from http://smartdefine.org/rachis/definitions/1242028 |
| Chicago | WordNet. 2010. "rachis" http://smartdefine.org/rachis/definitions/1242028 (accessed September 20, 2026). |
| Harvard | WordNet 2010, rachis, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/rachis/definitions/1242028>. |
| MLA | WordNet. "rachis" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/rachis/definitions/1242028> |