MACKEREL

noun (plural ~ or ~s) Etymology: Middle English makerel, from Anglo-French Date: 14th century 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, any of various fishes (as the wahoo and king ~) in the same family as the ~ especially when distinguished from the related bonito or tuna by a comparatively smaller size