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streambed

[streem-bed]
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noun
  1. the channel in which a stream flows or formerly flowed.

Origin of streambed

First recorded in 1855–60; stream + bed
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for streambed

Historical Examples

  • Morning dawned gloomily; there was a light mist hanging over the streambed, and much of the sky was turgid with clouds.

    Attrition

    Jim Wannamaker