(n.) An ornamental foliation having four lobes or foils.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Quarterfoil. Retrieved September 20, 2026, from http://smartdefine.org/quarterfoil/definitions/2051721 |
| Chicago | Webster's. 2011. "Quarterfoil" http://smartdefine.org/quarterfoil/definitions/2051721 (accessed September 20, 2026). |
| Harvard | Webster's 2011, Quarterfoil, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/quarterfoil/definitions/2051721>. |
| MLA | Webster's. "Quarterfoil" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/quarterfoil/definitions/2051721> |