D defs.my
Entry 2 senses Webster, 1913

Steelhead

/(-hĕd`)/ · Steel·head · IPA /stˈiːlhˌɛd/
01 n. A North Pacific salmon (Salmo Gairdneri) found from Northern California to Siberia; -- called also hardhead, and preestl.
  1. 1.
    A North Pacific salmon (Salmo Gairdneri) found from Northern California to Siberia; -- called also hardhead, and preestl.(Zool.) Also: hardhead, preestl
  2. 2.
    The ruddy duck.(Zool.)