- (n.) Any protuberance of a bone which is not natural; an excrescence or morbid enlargement of a bone.
- (n.) A knot formed upon or in the wood of trees by disease.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). exostosis. Retrieved September 23, 2026, from http://smartdefine.org/exostosis/definitions/2005995 |
| Chicago | Webster's. 2011. "exostosis" http://smartdefine.org/exostosis/definitions/2005995 (accessed September 23, 2026). |
| Harvard | Webster's 2011, exostosis, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/exostosis/definitions/2005995>. |
| MLA | Webster's. "exostosis" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/exostosis/definitions/2005995> |