jumper /'dsAmpa(r); '6z-vmpv/ n 1 outer knitted garment, with or without sleeves, pulled on over the head and coming down to the hips, jersey, pullover, sweater; (US) pinafore. 一種帶袖或無箱針織外衣(自頭部套下，下面齊臀部) : ( 美)(小孩的)圍兜。 2 person, animal or insect, that jumps. 跳崖的人，動物惑昆蟲 c