bluefin tuna definition

  • noun:
    • a tremendously large tuna (Thunnus thynnus) of temperate seas. Its an important retail and eating variety.
    • some of three associated types of tunafish, the north bluefin tuna, south bluefin tuna, and Pacific bluefin tuna.
    • largest tuna; to 1500 pounds; of mostly temperate seas: feed in polar regions but breed in tropics
    • flesh of very large tuna

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