American English

Definition of reefer noun from the Oxford Advanced American Dictionary

     

    reefer

     noun
    noun
    NAmE//ˈrifər//
     
     
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  1. 1 (informal) a truck, railroad car, or ship specially designed to carry goods that need to be in a refrigerator reefers carrying fresh fruit from California
  2. 2(old-fashioned) (slang) a cigarette containing marijuana
See the Oxford Advanced Learner's Dictionary entry: reefer