noun
- Severe spasm in which the back arches and the head bends back and heels flex toward the back. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). opisthotonos. Retrieved September 21, 2026, from http://smartdefine.org/opisthotonos/definitions/1246696 |
| Chicago | WordNet. 2010. "opisthotonos" http://smartdefine.org/opisthotonos/definitions/1246696 (accessed September 21, 2026). |
| Harvard | WordNet 2010, opisthotonos, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/opisthotonos/definitions/1246696>. |
| MLA | WordNet. "opisthotonos" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/opisthotonos/definitions/1246696> |