noun
- A joint of a finger when the fist is closed.
- synonyms: knuckle, metacarpophalangeal joint
- A joint allowing movement in one plane only.
- synonyms: hinge joint
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). knuckle joint. Retrieved September 20, 2026, from http://smartdefine.org/knuckle_joint/definitions/1205320 |
| Chicago | WordNet. 2010. "knuckle joint" http://smartdefine.org/knuckle_joint/definitions/1205320 (accessed September 20, 2026). |
| Harvard | WordNet 2010, knuckle joint, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/knuckle_joint/definitions/1205320>. |
| MLA | WordNet. "knuckle joint" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/knuckle_joint/definitions/1205320> |