1. a large ocean fish with dark red meat, often used for food
2. the meat of this fish, especially when canned

Examples

• The fishermen caught a massive tuna weighing over 200 pounds.
• She ordered a tuna steak at the restaurant.
• I made a tuna sandwich for lunch.
• The grocery store sells canned tuna in the seafood aisle.
• Yellowfin tuna is prized by sushi chefs.
• He opened a can of tuna to feed his cat.