smoking jacket
noun [ C ] old-fashioned uk/ˈsməʊ.kɪŋ ˌdʒæk.ɪt/ us/ˈsmoʊ.kɪŋ ˌdʒæk.ɪt/
吸烟外套（舒适柔软的宽松服，传统上供男子在家休闲、特别是吸烟时穿）
a comfortable coat for a man that is made from a soft material and is worn when relaxing at home, traditionally when smoking