Definition of roadbed
1a : the bed on which the ties, rails, and ballast of a railroad restb : the ballast or the upper surface of the ballast on which the ties rest
2a : the earth foundation of a road prepared for surfacingb : the part of the surface of a road traveled by vehicles
Recent Examples of roadbed from the Web
There would have been crops here then, Brian said, and a low roadbed that would have afforded some cover for Federal troops.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'roadbed'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of roadbed
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