[1] : The Collaborative International Dictionary of English v.0.48

steelhead \steel"head`\ -he^d`, n.
   1. zool. a north pacific salmon salmo gairdneri found
      from northern california to siberia; -- called also
      hardhead, and preestl.
      1913 webster

   2. zool. the ruddy duck.
      1913 webster
see also:
salmo gairdneri hardhead preestl 

[2] : WordNet (r) 2.0

salmo gairdneri
     n : found in pacific coastal waters and streams from lower
         california to alaska syn: rainbow trout
see also:
rainbow trout 

Salmo >> S Words
Salmo, definition of term: Salmo
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