柯林斯詞典nappy rash 1. N (in babies) any irritation to the skin around the genitals, anus, or buttocks, usually caused by contact with urine or excrement (嬰兒)尿布疹 (Formal name napkin rashUS and Canadian name diaper rash)[英國英語] 返回 nappy rash劍橋詞典a red , painful area of skin on a baby's bottom caused by a wet nappy 尿布疹，尿疹 返回 nappy rash