nounpl. -·el or -·els
any of various scombroid fishes; esp., an edible fish (Scomber scombrus) of the North Atlantic, that has a greenish, blue-striped back and a silvery belly
Origin of mackerelMiddle English makerel from Old French maquerel from uncertain or unknown; perhaps
nounpl. mackerel, or mack·er·els
- Any of various marine fishes of the family Scombridae, especially Scomber scombrus of the North Atlantic Ocean, a predatory food fish having dark wavy bars on the back and a silvery belly.
- Any of various similar fishes, such as the horse mackerels.
Origin of mackerelMiddle English makerel from Old French maquerel
From Old French maquerel, from a Germanic source.