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1. Important warm-water fatty fish of the genus Thunnus of the family Scombridae; usually served as steaks
   - tuna fish, tunny
    
2. Tropical American prickly pear of Jamaica
   - Opuntia tuna
    
3. Any very large marine food and game fish of the genus Thunnus; related to mackerel; chiefly of warm waters
   - tunny
    
4. New Zealand eel
   - Anguilla sucklandii

Derived forms: tunas

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

Part of: genus Thunnus, Thunnus

Encyclopedia: Tuna, Södertälje