blackfin tuna


: a tuna (Thunnus atlanticus) that is found off the Atlantic coast of America from Massachusetts to Brazil and is bluish-black above and white below with silvery-gray sides and dark-colored fins
Fishermen focused on pelagic big game species are reporting consistent action on blackfin tuna, along with a mix of mahi mahi, yellowfin tuna, amberjack and wahoo in the warm waters off of the Outer Banks.Bob Jones, News Journal (Wilmington, Delaware), 12 Jan. 2012

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of blackfin tuna was in 1945

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near blackfin tuna

Cite this Entry

“Blackfin tuna.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!