any scombroid food fish of the genus Scomberomorus, esp S. maculatus, of American coastal regions of the Atlantic: family Scombridae (mackerels, tunnies, etc)
2.
a mackerel, Scomber colias, of European and E North American coasts that is similar to the common Atlantic mackerel
3.
any of various related marine food fishes, esp Scomberomerus Commerson
Spanish mackerel in American English
any of a genus (Scomberomorus) of edible marine scombroid fishes; esp., an Atlantic species (S. maculatus)