viaduct

(vī′ə dukt′)

noun

a long bridge consisting of a series of short spans supported on piers or towers, usually to carry a road or railroad over a valley, gorge, etc.

Origin: L via (see via) + (aque)duct

See viaduct in American Heritage Dictionary 4

noun

A series of spans or arches used to carry a road or railroad over a wide valley or over other roads or railroads.

Origin:

Origin: Latin via, road; see via

Origin: + (aque)duct

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