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

bluefin \blue"fin`\, n. zool.
   a species of whitefish coregonus nigripinnis found in
   lake michigan.
   1913 webster
see also:
coregonus nigripinnis 

[2] : WordNet (r) 2.0

bluefin
     n 1: flesh of very large tuna syn: bluefin tuna
     2: largest tuna; to 1500 pounds; of mostly temperate seas: feed
        in polar regions but breed in tropics syn: bluefin tuna,
         horse mackerel, thunnus thynnus
see also:
bluefin tuna horse mackerel thunnus thynnus 

Bluefin >> B Words
Bluefin, definition of term: Bluefin
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