roadbed

noun

road·​bed ˈrōd-ˌbed How to pronounce roadbed (audio)
1
a
: the bed on which the ties, rails, and ballast of a railroad rest
b
: the ballast or the upper surface of the ballast on which the ties rest
2
a
: the earth foundation of a road prepared for surfacing
b
: the part of the surface of a road traveled by vehicles

Examples of roadbed in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The mined and blasted rock will be sold for roadbed construction and would leave a hole in the ground large enough to store nearly 40 billion gallons of Lake Okeechobee overflow. Sun Sentinel Editorial Board, Sun Sentinel, 21 May 2025 The ship struck the bottom side of the roadbed portion of the Brooklyn Bridge, officials with the New York Police Department (NYPD) told Fox News. Flags and debris from the ship plummeted into the water below, as the vessel rocked back and forth, pushing its way under the landmark. Alexandra Koch , Alexis McAdams , Cb Cotton , Landon Mion, FOXNews.com, 18 May 2025 The Dominican Republic find that took them deeper — and therefore further back in time — happened by chance, when a work crew dug down to prepare a new roadbed. Paul Smaglik, Discover Magazine, 29 Apr. 2025 New York Open Data showed that certain types of delays, such as those related to braking issues, rail and roadbed problems and service delivery, decreased on the A line from September to December. Nic F. Anderson, CNN, 9 Mar. 2025 See All Example Sentences for roadbed

Word History

First Known Use

1828, in the meaning defined at sense 1a

Time Traveler
The first known use of roadbed was in 1828

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Cite this Entry

“Roadbed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roadbed. Accessed 3 Jun. 2025.

Kids Definition

roadbed

noun
road·​bed -ˌbed How to pronounce roadbed (audio)
1
: the foundation of a road or railroad
2
: the part of the surface of a road that vehicles travel on

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