blackfin

noun

black·​fin

ˈblak-ˌfin

plural blackfins

1

: blackfin cisco

2

: blackfin tuna

Blackfins generally run smaller than the other tunas; a really large one weighs 40 pounds.

—Susan Cocking, Miami Herald, 15 Apr. 2011

Word History

First Known Use

1875, in the meaning defined at sense 1

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