Definitions for tunaˈtu nə, ˈtyu-

This page provides all possible meanings and translations of the word tuna

Princeton's WordNet

  1. tuna, Opuntia tuna(noun)

    tropical American prickly pear of Jamaica

  2. tuna, tuna fish, tunny(noun)

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

  3. tuna, tunny(noun)

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

  4. tuna, Anguilla sucklandii(noun)

    New Zealand eel

Wiktionary

  1. tuna(Noun)

    A type of cactus native to Mexico in the genus Opuntia.

  2. tuna(Noun)

    The fruit of the cactus.

  3. Origin: From American Spanish alteration of the atún, from تن, from thunnus.

Webster Dictionary

  1. Tuna(noun)

    the Opuntia Tuna. See Prickly pear, under Prickly

  2. Tuna(noun)

    the tunny

  3. Tuna(noun)

    the bonito, 2

Freebase

  1. Tuna

    A tuna is a saltwater finfish that belongs to the tribe Thunnini, a sub-grouping of the mackerel family – which together with the tunas, also includes the bonitos, mackerels, and Spanish mackerels. Thunnini comprises fifteen species across five genera, the sizes of which vary greatly, ranging from the bullet tuna up to the Atlantic bluefin tuna. The bluefin averages 2 m, and is believed to live for up to 50 years. Their circulatory and respiratory systems are unique among fish, enabling them to maintain a body temperature higher than the surrounding water. An active and agile predator, the tuna has a sleek, streamlined body, and is among the fastest-swimming pelagic fish – the yellowfin tuna, for example, is capable of speeds of up to 75 km/h. Found in warm seas, it is extensively fished commercially and is popular as a game fish. As a result of over-fishing, stocks of some tuna species, such as the Southern bluefin tuna, have been reduced dangerously close to the point of extinction.

U.S. National Library of Medicine

  1. Tuna

    Common name for various species of large, vigorous ocean fishes in the family Scombridae.


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