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Definition of Roadbed
1. Noun. A bed supporting a road.
Generic synonyms: Bed
Group relationships: Road, Route
Terms within: Safety Island, Safety Isle, Safety Zone, Traffic Island
Group relationships: Road, Route
Terms within: Safety Island, Safety Isle, Safety Zone, Traffic Island
Definition of Roadbed
1. n. In railroads, the bed or foundation on which the superstructure (ties, rails, etc.) rests; in common roads, the whole material laid in place and ready for travel.
Definition of Roadbed
1. the foundation for a railroad track [n -S]