(亦作 duster coat)(chiefly N. Amer.)a woman's loose, lightweight full-length coat without buttons, of a style originally worn in the 1920s when travelling in an open car (主 北美)防尘外衣,风衣(源于20世纪20年代妇女乘坐敞篷车时穿的宽松、轻便无扣长大衣) ■(N. Amer.)a short, light housecoat (北美)防尘罩衣