Webster's Revised Unabridged Dictionary · 1913

Bluefish

Bluefish ({not transcribed}) , noun

1.
(Zoology) A large voracious fish (Pomatomus saitatrix), of the family Carangida, valued as a food fish, and widely distributed on the American coast. On the New Jersey and Rhode Island coast it is called the horse mackerel, in Virginia saltwater tailor, or skipjack.
2.
A West Indian fish (Platyglossus radiatus), of the family Labrida.

The name is applied locally to other species of fishes; as the cunner, sea bass, squeteague, etc.