noun
- Injury to the brain caused by a blow; usually resulting in loss of consciousness.
- Any violent blow. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). concussion. Retrieved September 20, 2026, from http://smartdefine.org/concussion/definitions/1219817 |
| Chicago | WordNet. 2010. "concussion" http://smartdefine.org/concussion/definitions/1219817 (accessed September 20, 2026). |
| Harvard | WordNet 2010, concussion, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/concussion/definitions/1219817>. |
| MLA | WordNet. "concussion" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/concussion/definitions/1219817> |