- (a.) Having the form of a trapezoid; trapezoid.
- (a.) Trapezohedral.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). trapezoidal. Retrieved September 24, 2026, from http://smartdefine.org/trapezoidal/definitions/2074214 |
| Chicago | Webster's. 2011. "trapezoidal" http://smartdefine.org/trapezoidal/definitions/2074214 (accessed September 24, 2026). |
| Harvard | Webster's 2011, trapezoidal, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/trapezoidal/definitions/2074214>. |
| MLA | Webster's. "trapezoidal" 28 May 2011. Web. 24 September 2026. <http://smartdefine.org/trapezoidal/definitions/2074214> |