*coat¹/kot; kəʊt/ n [C] 1 a piece of clothing with long SLEEVEs that you wear over your other clothes 外衣，外套: a heavy winter coat 一件冬天穿的厚重大衣 a lab coat 实验室外套 2 a layer of a substance such as paint that covers a surface 涂层; 覆盖物: + of I'll give the walls a fresh coat of paint. 我要给墙壁刷一层新油漆。 3 an animal's fur, wool, or hair 〔动物的〕皮毛: The dog had a thick glossy coat. 那只狗的皮毛又厚又有光泽。