Synonyms for Tuna (same or very similar meaning)
WordNet sense 1 (tropical American prickly pear of Jamaica):
Opuntia tuna
WordNet sense 2 (important warm-water fatty fish of the genus Thunnus of the family Scombridae; usually served as steaks):
tunny, tuna fish
WordNet sense 3 (New Zealand eel):
Anguilla sucklandii
From the ODE community, based on WordNet
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