<p><strong>Noun</strong></p><ul><li>A predaceous, marine, bluish or greenish food fish, <em>Pomatomus saltatrix</em>, inhabiting Atlantic coastal waters of North and South America.</li><li>Any of various fishes, usually of a bluish color.</li><li>(Especially collectively) blue fish, (especially referring to two or more kinds or species) blue fishes.</li></ul>