Tuna (noun)

A large predatory fish found in warm seas, widely caught for food.

Origin:

Late 17th century: from spanish and portuguese atún, from arabic tūn.

Examples:

1. The fishermen caught several tunas in the early morning.
2. The chef served fresh tuna sashimi for lunch.
3. The tuna is a popular species for sport fishing.
4. The tuna sandwich was her favorite for lunch.
5. The tuna is a fatty fish high in omega-3 fatty acids.