(a.) Occurring once in five years or at the end of every five years; also, lasting five years. A quinquennial event.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). quinquennial. Retrieved September 22, 2026, from http://smartdefine.org/quinquennial/definitions/2052026 |
| Chicago | Webster's. 2011. "quinquennial" http://smartdefine.org/quinquennial/definitions/2052026 (accessed September 22, 2026). |
| Harvard | Webster's 2011, quinquennial, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/quinquennial/definitions/2052026>. |
| MLA | Webster's. "quinquennial" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/quinquennial/definitions/2052026> |