1. A structure for conveying a carriage-way or railway over low ground, either by raising mounds or a series of arched supports.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• virdict,
• diduct,
• viduct,
• ciaduct,
• biaduct,
• giaduct,
• fiaduct,
• vuaduct,
• vjaduct,
• vkaduct,
• voaduct,
• viaduct,
• vyaduct,
• viiduct,
• vieduct,
• via duct,
• Caladuct,
• viatuc,
• vieduity,
• viaducs

The adjective form of the word "viaduct" is "viaductal".

The plural of the "viaduct" can be the "viaducts".

The singular of the "viaduct" can be the "viaduct".