Bible Dictionaries
Viaduct

Webster's Dictionary

(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.

Bibliography Information
Webster, Noah. Entry for 'Viaduct'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​v/viaduct.html. 1828.