roadbed

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈrəʊdbed/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˈroʊdˌbɛd/ ,USA pronunciation: respelling(rōd′bed′)


WordReference Random House Learner's Dictionary of American English © 2026
road•bed /ˈroʊdˌbɛd/USA pronunciation   n. 
  1. Rail Transport[countable]
    • the bed or foundation for the track of a railroad.
  2. Transport[uncountable] the material of which a road is made up.

WordReference Random House Unabridged Dictionary of American English © 2026
road•bed  (rōd′bed′),USA pronunciation n. 
  1. Rail Transport
    • the bed or foundation structure for the track of a railroad.
    • the layer of ballast immediately beneath the ties of a railroad track.
  2. Transportthe material of which a road is composed.
  • road + bed 1830–40. American.

'roadbed' also found in these entries (note: many are not synonyms or translations):
guardrail - line - permanent way - railway - section - tie - washboard

Forum discussions with the word(s) "roadbed" in the title:


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