(pl.) of Umbo.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). umbones. Retrieved September 20, 2026, from http://smartdefine.org/umbones/definitions/2076125 |
| Chicago | Webster's. 2011. "umbones" http://smartdefine.org/umbones/definitions/2076125 (accessed September 20, 2026). |
| Harvard | Webster's 2011, umbones, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/umbones/definitions/2076125>. |
| MLA | Webster's. "umbones" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/umbones/definitions/2076125> |