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riverbed

American  
[riv-er-bed] / ˈrɪv ərˌbɛd /

noun

  1. the channel in which a river flows or formerly flowed.


Etymology

Origin of riverbed

First recorded in 1825–35; river 1 + bed

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

NASA's Perseverance rover has collected samples from Jezero Crater, an ancient Martian riverbed, and they may contain evidence of very early life.

From Science Daily • Jan. 6, 2026

The Eisbach wave on a side branch of the Isar River had been a landmark in the Bavarian city since the 1980s but it vanished in October after annual cleanup work along the riverbed.

From Barron's • Dec. 28, 2025

Long Beach police were called to the riverbed a short distance from Del Amo Boulevard at 8:36 p.m. to assist the fire department with the discovery of a body.

From Los Angeles Times • Aug. 7, 2025

Lavalle was unhoused and living in the riverbed at the time of the collision.

From Los Angeles Times • May 6, 2025

At the edge of the dry riverbed, in a thicket of saltbush not far from where they had parked, a large object was concealed beneath a dun-colored tarpaulin.

From "Into the Wild" by Jon Krakauer