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n. pl. amberjack or am·ber·jacks
Any of various food and game fishes of the genus Seriola, found in temperate and tropical marine waters.
(Animals) any of several large carangid fishes of the genus Seriola, esp S. dumerili, with golden markings when young, occurring in tropical and subtropical Atlantic waters
[C19: from amber + jack1]
n., pl. (esp. collectively) -jack, (esp. for kinds or species) -jacks.
any of several yellow to coppery carangid fishes of the genus Seriola, as S. dumerili of warm Atlantic waters.