1 a piece of carpet or other thick material that you put on the floor 垫；小地毯；席: a doormat 门口地垫 ☞ Look at rug. 参看rug。

2 a small piece of material that you put under sth on a table （用于垫餐具的）垫子: a table mat 盘垫a beer mat 啤酒杯垫子a mouse mat 鼠标垫 ☞picture on page S2 见S2页插图