杯垫 Traditional form: 杯墊 Pinyin (reading): bēidiàn Definitions: (beverage) coaster Characters: 杯 - cup, glass; measure word for liquids 垫 - cushion, mat, pad; to advance money, to pay for another Traditional characters: 杯 - cup, glass; measure word for liquids 墊 - cushion, mat, pad; to advance money, to pay for another