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Noun: bluefin
  1. Flesh of very large tuna
    - bluefin tuna
  2. Largest tuna; to 1500 pounds; of mostly temperate seas: feed in polar regions but breed in tropics
    - bluefin tuna, horse mackerel, Thunnus thynnus

Derived forms: bluefins

Type of: tuna, tuna fish, tunny

Part of: genus Thunnus, Thunnus

Encyclopedia: Bluefin