mat1/mæt; mæt/n [C]1 a piece of thick material that covers part of a floor 地席﹐地垫: a prayer mat (used to kneel on to pray) 祈祷垫see picture at见 BATHROOM 图2 a small piece of thick material that you put on a table〔桌上用的〕小垫子: Put that hot dish on a mat. 把那个滚烫的盘子放在一张垫子上。a mouse mat (used with a computer mouse) 鼠标垫