riverbed
/ˈɹɪv.ɚˌbɛd/ noun C2- The path where a river runs, or where a river once ran; the bottom earthen part of a river, not including the riverbanks. · Near-synonyms: streambed, creekbed
Plural riverbeds
From the library
By deliberately narrowing the river channel, the embankments cleverly increased the velocity of the water, thereby helping to scour the riverbed clean of remaining sediment.
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