tuna

1 of 2

noun (1)

tu·​na ˈtü-nə 

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 

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

Noun

The celebrated restaurant in the Roma Norte neighborhood is most famous for its whole red snapper painted in vibrant swaths of red chile and green parsley sauces, but the menu is filled with must-try seafood (like the impeccable tuna tostadas). —Kate Kassin, Bon Appetit Magazine, 9 Apr. 2026

During an early April visit, the meal included 17 courses, all small bites featuring white fish, tuna, scallops, urchin, crab and A5 wagyu beef. —Camila Pedrosa, Sacbee.com, 8 Apr. 2026

For lunch, there are deli-style salads of all sorts — egg, whitefish, tuna, veggie tuna and chicken — and specialty salads such as Garden Gourmet, Beachside Bounty and Mediterranean Medley. —Kari Barnett, Sun Sentinel, 7 Apr. 2026

The new restaurant serves all of the Contramar classics like tuna tostadas and the pescado a la talla, as well as more meat-centric dishes designed for a Las Vegas crowd. —Jenn Harris, Los Angeles Times, 6 Apr. 2026

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

Phrases Containing tuna

• albacore tuna
• bigeye tuna
• bluefin tuna
• dogtooth tuna
• little tuna
• skipjack tuna
• tuna mayonnaise
• yellowfin tuna

Rhymes for tuna

• kuna
• luna
• calluna
• lacuna
• laguna
• tribuna
• varuna
• vicuna

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