Lewis & Short

thunnus (thynnus), i, m., = θύννος, the tunny or tunny-fish: Scomber thynnus, Linn.; Plin. 9, 15, 17, § 44 sq.; Hor. S. 2, 5, 44; Ov. Hal. 98; Mart. 10, 48, 12.

thynnus, i, v. thunnus.