[] () a person who works at the checkout in a supermarket（超市的）收款员，收银员◆a supermarket checker超市收款员 () (used in compounds 用于复合词) a computer program that you use to check sth, for example the spelling and grammar of sth you have written（计算机的）检查程序⨁a grammar / spelling / virus checker语法／拼写／病毒检查程序