(n.) A figure having three sides.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). trihedron. Retrieved September 20, 2026, from http://smartdefine.org/trihedron/definitions/2074687 |
| Chicago | Webster's. 2011. "trihedron" http://smartdefine.org/trihedron/definitions/2074687 (accessed September 20, 2026). |
| Harvard | Webster's 2011, trihedron, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/trihedron/definitions/2074687>. |
| MLA | Webster's. "trihedron" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/trihedron/definitions/2074687> |