riverbed

noun

riv·​er·​bed ˈri-vər-ˌbed How to pronounce riverbed (audio)
Synonyms of riverbednext
: the channel occupied by a river

Examples of riverbed 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.
Crews are making one of the first major steps in construction, driving steel piles more than 200 feet into the riverbed to support the bridge's structure. Caroline Foreback, CBS News, 26 Mar. 2026 For instance, caddisfly larvae stabilize riverbeds, earthworms are essential for soil fertility, and burrowing animals enhance soil infiltration. Doyle Rice, USA Today, 22 Mar. 2026 Dancing with an old fave will be almost as exciting as getting a glimpse of the primordial riverbed, which is usually covered with sludge. Brittany Allen, Literary Hub, 13 Mar. 2026 Doyle argues the reconditioning of riverbeds isn’t as chaotic as opponents suggest. Patrick Sisson, Scientific American, 9 Mar. 2026 See All Example Sentences for riverbed

Word History

First Known Use

1781, in the meaning defined above

Time Traveler
The first known use of riverbed was in 1781

Browse Nearby Words

Cite this Entry

“Riverbed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/riverbed. Accessed 3 Apr. 2026.

Kids Definition

riverbed

noun
riv·​er·​bed -ˌbed How to pronounce riverbed (audio)
: the channel occupied or once occupied by a river

More from Merriam-Webster on riverbed

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster