mack·er·el (măkər-əl, măkrəl)
n. pl. mackerel or mack·er·els
1. 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.
2. Any of various similar fishes, such as the horse mackerels.
[Middle English makerel, from Old French maquerel.]
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