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