- (a.) Including or relating to, the interval of three hundred years; tercentenary.
- (n.) A period of three centuries or three hundred years, also, the three-hundredth anniversary of any event; a tercentenary.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). tricentenary. Retrieved September 25, 2026, from http://smartdefine.org/tricentenary/definitions/2074522 |
| Chicago | Webster's. 2011. "tricentenary" http://smartdefine.org/tricentenary/definitions/2074522 (accessed September 25, 2026). |
| Harvard | Webster's 2011, tricentenary, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/tricentenary/definitions/2074522>. |
| MLA | Webster's. "tricentenary" 28 May 2011. Web. 25 September 2026. <http://smartdefine.org/tricentenary/definitions/2074522> |