coat /kəut/ I. n.[c]1.上衣 (亦作jacket);大衣,外衣: try on a coat试穿上装;I must have/get a new coat made. 我得请人做件新上装。It’s very cold, so wear a heavy coat. 天很冷,得穿件厚大衣。2.一层(油漆等): a coat of dust 一层灰;put another coat of paint on this door把这扇门再油上一层漆 ‖II. vt. 涂(蒙,包)上一层:The pill is coated with sugar. 药丸外面包着一层糖衣。