(a.) Pertaining to a decagon; having ten sides.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). decagonal. Retrieved September 20, 2026, from http://smartdefine.org/decagonal/definitions/1994826 |
| Chicago | Webster's. 2011. "decagonal" http://smartdefine.org/decagonal/definitions/1994826 (accessed September 20, 2026). |
| Harvard | Webster's 2011, decagonal, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/decagonal/definitions/1994826>. |
| MLA | Webster's. "decagonal" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/decagonal/definitions/1994826> |