deal·erBrE/ˈdiːlə(r)/NAmE/ˈdiːlər/nounapersonwhosebusinessisbuyingandsellingaparticularproduct交易商;贸易商◆anart/antiquedealer艺术品经销商;古董商◆~insthHe'sadealerinsecond-handcars. 他经销二手汽车。➡ see alsowheeler-dealerapersonwhosellsillegaldrugs贩毒者;毒品贩子thepersonwhogivesoutthecardsinacardgame(纸牌游戏的)发牌者