: a very large tuna (Thunnus thynnus) that is an important food and game fish

called also bluefin

Examples of bluefin tuna in a Sentence

Recent Examples on the Web
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Diners can also choose from six different ceviche options, including bluefin tuna, wild Mexican shrimp and halibut. — Sacbee.com, 24 Sep. 2026 In Agosto’s 45-seat space, diners can enjoy Mendes’s Portuguese fare rooted in New England with dishes like corn chawanmushi with pickled Bangs Island mussels or bluefin tuna with strawberry, tomato, and crispy kombu. — Kate Kassin, Bon Appetit Magazine, 23 Sep. 2026 Kurt Christensen is a longtime veteran at catching big bluefin tuna from his 45-foot charter boat Molly Jane. — Bob McNally, Outdoor Life, 9 Sep. 2026 Whales, dolphins, bluefin tuna (Thunnus thynnus), and other key Gulf of Maine species also rely on these fish belonging to the family Ammodytidae in their diets. — Laura Baisas, Popular Science, 9 Sep. 2026 See All Example Sentences for bluefin tuna

Word History

First Known Use

1909, in the meaning defined above

Time Traveler
The first known use of bluefin tuna was in 1909

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Cite this Entry

“Bluefin tuna.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bluefin%20tuna. Accessed 29 Sep. 2026.

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