steelhead

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English[edit]

Etymology[edit]

steel +‎ head

Noun[edit]

steelhead (plural steelheads)

  1. The anadromous form of the rainbow trout, Oncorhynchus mykiss
    • 2007 October 9, Henry Fountain, “Downside to Breeding Fish in Captivity Shows Up Early”, New York Times:
      The researchers compared three groups of steelheads: fish born of two wild parents and reared in the wild; first-generation captive fish (born of two wild parents and reared in captivity); and second-generation captive fish (with one captive-bred parent).
  2. The ruddy duck.

Synonyms[edit]

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