plural tuna or tunas
Definition of tuna
(Entry 1 of 2)
1
: any of numerous large vigorous scombroid food and sport fishes (such as an albacore or a bluefin tuna)
2
: the flesh of a tuna especially when canned for use as food
— called also tuna fish
tuna
noun (2)Definition of tuna (Entry 2 of 2)
1
: any of various flat-jointed prickly pears (genus Opuntia)
especially
: one (O. tuna) of tropical America
2
: the edible fruit of a tuna
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Merriam-Webster unabridged
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Time Traveler for tuna
The first known use of tuna was circa 1555
See more words from the same year