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.
When sediment flow is disrupted, riverbeds can be simplified and less suitable for spawning, while altered temperatures and flow reduce habitat diversity. Radina Gigova, CNN Money, 27 May 2026 The lone mast stands 656 ft (200 m) tall with a span of 1,476 ft (450 m), and the use of a single mast in this design minimizes disruption to the riverbed and the estuary's aquatic ecosystem. New Atlas, 27 May 2026 This time, however, the fire escaped the confines of the riverbed and began rapidly moving towards homes in the Mira Loma neighborhood. Dean Fioresi, CBS News, 26 May 2026 The Nile also cuts more deeply into the bedrock and is more confined to the riverbed in Sudan than in Egypt. Geoff Emberling, The Conversation, 19 May 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 2 Jun. 2026.

Kids Definition

riverbed

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

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