: a scombroid fish (Scomber scombrus of the family Scombridae) of the North Atlantic that is green above with dark blue bars and silvery below and is a commercially important food fish
2
: any of various fishes (such as the wahoo and king mackerel) in the same family as the mackerel especially when distinguished from the related bonito or tuna by a comparatively smaller size
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Fatty fish like salmon, sardines and mackerel contain the most vitamin D3, while egg yolks, liver and red meat contain smaller amounts.—Leslie Baumann, Miami Herald, 3 July 2025 As the boat crescendoed over waves, seagulls screamed in chase, and the captain made radar promises over the loudspeaker: bass, bonito and sculpin — or at the very least, mackerel and pelicans.—Jacqueline Carr, San Diego Union-Tribune, 13 June 2025 Potential dishes include Hokkaido scallop, cured mackerel and rockfish with vegetables to pair with it.—Noah Lyons, San Diego Union-Tribune, 3 June 2025 Today was not: just eight small sardines and mackerel from five hours casting handlines at sea.—Charlie Campbell, Time, 5 June 2025 See All Example Sentences for mackerel
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