Definition of cero in US English:


nounPlural ceros

  • A large fish of the mackerel family, serving as an important food fish in the tropical western Atlantic.

    Scomberomorus regalis, family Scombridae

    • ‘The range of the cero mackerel is limited to the western Atlantic Ocean, from Massachusetts, USA south to Brazil, including the Bahamas and West Indies.’
    • ‘Mention should also be made of a Caribbean species, S. regalis, the cero.’
    • ‘Resembling a large Spanish mackerel, the cero mackerel has both stripes and dots on its side.’


Late 19th century: from Spanish sierra ‘saw or sawfish’.