(n.) A structure of considerable magnitude, usually with arches or supported on trestles, for carrying a road, as a railroad, high above the ground or water; a bridge; especially, one for crossing a valley or a gorge. Cf. Trestlework.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). viaduct. Retrieved September 24, 2026, from http://smartdefine.org/viaduct/definitions/2079504 |
| Chicago | Webster's. 2011. "viaduct" http://smartdefine.org/viaduct/definitions/2079504 (accessed September 24, 2026). |
| Harvard | Webster's 2011, viaduct, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/viaduct/definitions/2079504>. |
| MLA | Webster's. "viaduct" 28 May 2011. Web. 24 September 2026. <http://smartdefine.org/viaduct/definitions/2079504> |