tuna

(to̵̅o̅′nə, tyo̵̅o̅′-)

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noun pl. tuna or tunas

any of various, usually large, marine, scombroid, food and game fishes (esp. genus Thunnus), including the albacore
the flesh of various tunas or tunalike fishes, often canned as food
also called tuna fish

Origin: AmSp < Sp atún < Ar tūn < L thunnus: see tunny

noun

any of various prickly pears (esp. Opuntia tuna), cultivated for their edible fruits
the fruit

Origin: Sp < Taino

See tuna in American Heritage Dictionary 4

noun pl. tuna tuna or tu·nas

a. Any of various often large scombroid marine food and game fishes of the genus Thunnus and related genera, many of which, including T. thynnus and the albacore, are commercially important sources of canned fish. Also called tunny.
b. Any of several related fishes, such as the bonito.
The edible flesh of tuna, often canned or processed. Also called tuna fish.

Origin:

Origin: American Spanish

Origin: , from Spanish atún

Origin: , from Arabic at-tūn, the tuna

Origin: , from Latin thunnus; see tunny

noun

Any of several flat-jointed tropical American cacti of the genus Opuntia, which includes the prickly pears, especially O. tuna of Jamaica, having yellow flowers and edible red fruit.
The edible fruit of any of these cacti. Also called cactus pear.

Origin:

Origin: American Spanish

Origin: , from Taino

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