1. Any very large marine food and game fish of the genus Thunnus; related to mackerel; chiefly of warm waters
   "Bluefin tuna can reach weights of over 1,000 pounds";
   - tunny
    
2. Flesh of tuna (genus Thunnus) used as food, often as steaks or canned
   "They caught fresh tuna fish off the coast";
   - tuna fish, tunny
    
3. [US] Tropical American prickly pear of Jamaica
   "The tuna cactus is common in Jamaican landscapes";
   - Opuntia tuna

Sounds like: tuba, tuber, tuna

Derived forms: tunas

Type of: food fish, prickly pear, prickly pear cactus, saltwater fish, scombroid, scombroid fish

Part of: genus Thunnus, Thunnus

Encyclopedia: Tuna, Södertälje