- (a.) Consisting of two hundred years.
- (n.) The two hundredth year or anniversary or its celebration.
- (a.) Occurring every two hundred years.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). bicentennial. Retrieved September 23, 2026, from http://smartdefine.org/bicentennial/definitions/1980104 |
| Chicago | Webster's. 2011. "bicentennial" http://smartdefine.org/bicentennial/definitions/1980104 (accessed September 23, 2026). |
| Harvard | Webster's 2011, bicentennial, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/bicentennial/definitions/1980104>. |
| MLA | Webster's. "bicentennial" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/bicentennial/definitions/1980104> |