1 N-COUNT （常指水手穿的）厚呢短上衣 A reefer or reefer coat is a short thick coat which is often worn by sailors. （常指水手穿的）厚呢短上衣 [British]

2 N-COUNT 大麻卷烟 A reefer is a cigarette containing cannabis or marijuana. 大麻卷烟 [informal, old-fashioned]