American English

Definition of mackerel noun from the Oxford Advanced American Dictionary

 

mackerel

 noun
noun
NAmE//ˈmækərəl//
 
, NAmE//ˈmækrəl//
 
(pl. mackerel) [countable, uncountable]
 
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an ocean fish with green-blue bands on its body, that is used for food smoked mackerel
See the Oxford Advanced Learner's Dictionary entry: mackerel