redd

/rɛd/
noun
  1. A nest or spawning area made by a fish, especially a salmon or trout, in the gravel of a riverbed.
    • We could see the redd clearly through the clear water of the stream.
    • The salmon dug a redd in the shallow gravel to lay its eggs.
    • Biologists counted the number of redds to estimate the fish population.
Synonyms
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