(n.) A person of congenitally abnormal mind bordering on insanity or degeneracy.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). mattoid. Retrieved September 24, 2026, from http://smartdefine.org/mattoid/definitions/2031094 |
| Chicago | Webster's. 2011. "mattoid" http://smartdefine.org/mattoid/definitions/2031094 (accessed September 24, 2026). |
| Harvard | Webster's 2011, mattoid, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/mattoid/definitions/2031094>. |
| MLA | Webster's. "mattoid" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/mattoid/definitions/2031094> |