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

Derived forms: bluefin tunas

Type of: tuna, tuna fish, tunny

Part of: genus Thunnus, Thunnus

Encyclopedia: Bluefin tuna

• losings
• loss
• loss adjuster
• loss leader
• loss of consciousness
• loss ratio
• losses
• lossless
• lossy
• lost
• lost cause
• lost property
• Lost Tribes
• lost-and-found
• lot
• Lot's wife
• lota
• Lota lota
• Lotario di Segni
• loth
• Lothario
• Lothian Region
• Lothringen
• loti
• lotic