long-fin tunny, Thunnus alalunga, albacore - large pelagic tuna the source of most canned tuna; reaches 93 pounds and has long pectoral fins; found worldwide in tropical and temperate waters

tuna fish, tunny, tuna - important warm-water fatty fish of the genus Thunnus of the family Scombridae; usually served as steaks

tunny, tuna - any very large marine food and game fish of the genus Thunnus; related to mackerel; chiefly of warm waters

albacore - relatively small tuna with choice white flesh; major source of canned tuna