noun
- A reflex extension of the leg resulting from a sharp tap on the patellar tendon.
- synonyms: knee-jerk reflex, patellar reflex
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). knee jerk. Retrieved September 20, 2026, from http://smartdefine.org/knee_jerk/definitions/1192426 |
| Chicago | WordNet. 2010. "knee jerk" http://smartdefine.org/knee_jerk/definitions/1192426 (accessed September 20, 2026). |
| Harvard | WordNet 2010, knee jerk, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/knee_jerk/definitions/1192426>. |
| MLA | WordNet. "knee jerk" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/knee_jerk/definitions/1192426> |