Pronunciation: (mak'ur-ul, mak'rul),[key] —n., —pl.(esp. collectively)-el,(esp. referring to two or more kinds or species)-els. 1. a food fish, Scomber scombrus, of the North Atlantic, having wavy cross markings on the back.
2. See Spanish mackerel. 3. any of various similar fishes, as the Atka mackerel.