Webster's Revised Unabridged Dictionary · 1913

Scombroid

Scombroid (skom"broid) , adjective

[Scomber + -oid.]

(Zoology) Like or pertaining to the Mackerel family.
(Zoology) Any fish of the family Scombridae, of which the mackerel (Scomber) is the type, and including the tuna (Thunnus and related genera).