tuna

1 of 2

noun (1)

tu·​na ˈtü-nə How to pronounce tuna (audio)
ˈtyü-
plural tuna or tunas
1
: any of various large vigorous scombroid fishes (as of the genera Euthynnus, Katsuwonus, and especially Thunnus) that are usually dark above and silvery below and include many that are valued as food or sport fishes see albacore, bigeye tuna, bluefin tuna, dogtooth tuna, little tunny, skipjack tuna, yellowfin tuna
2
: the flesh of a tuna used for food
grilled tuna
specifically, sometimes tuna fish : tuna flesh that has been cooked and canned
often used before another noun
tuna salad
a tuna fish sandwich

tuna

2 of 2

noun (2)

tu·​na ˈtü-nə How to pronounce tuna (audio)
1
: any of various flat-jointed prickly pears (genus Opuntia)
especially : one (O. tuna) of tropical America
2
: the edible fruit of a tuna

Examples of tuna in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
The tray will include a vegetarian tempura roll, dragon roll, California crunch roll, and a spicy tuna mango roll, so there’s something for every palate to enjoy. Melinda Salchert, Southern Living, 30 Sep. 2025 There is a market near the bus stop that has a really good tuna pasta salad. R29 Team, Refinery29, 29 Sep. 2025 The restaurant, which earned a Michelin star, offers tasting menus filled with seasonal ingredients and seafood, including tuna, octopus, and lobster dishes. Stacey Leasca, Travel + Leisure, 28 Sep. 2025 And for the photo minded, Sunshine’s toasts — like the spicy tuna or caviar toasts — will also pop on social media. Miami Herald, 27 Sep. 2025 See All Example Sentences for tuna

Word History

Etymology

Noun (1)

American Spanish, alteration of Spanish atún, modification of Arabic tūn, from Latin thunnus, from Greek thynnos

Noun (2)

Spanish, from Taino

First Known Use

Noun (1)

1881, in the meaning defined at sense 1

Noun (2)

circa 1555, in the meaning defined at sense 1

Time Traveler
The first known use of tuna was circa 1555

Browse Nearby Words

Cite this Entry

“Tuna.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tuna. Accessed 4 Oct. 2025.

Kids Definition

tuna

noun
tu·​na
ˈt(y)ü-nə
plural tuna or tunas
1
: any of several mostly large sea fishes (as an albacore or bonito) related to the mackerels and caught for food and sport
2
: the flesh of a tuna especially when canned for use as food

called also tuna fish

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