- (a.) Happening or returning once in every seven years; as, septennial elections in England.
- (a.) Lasting or continuing seven years; as, septennial parliaments.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). septennial. Retrieved September 20, 2026, from http://smartdefine.org/septennial/definitions/2060544 |
| Chicago | Webster's. 2011. "septennial" http://smartdefine.org/septennial/definitions/2060544 (accessed September 20, 2026). |
| Harvard | Webster's 2011, septennial, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/septennial/definitions/2060544>. |
| MLA | Webster's. "septennial" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/septennial/definitions/2060544> |