/ˈbaɪwɜ:d ||; ˈbaɪˌwɝd/noun[C] [usu.sing] 1 a byword for sth a person or a thing that is a typical or well-known example of a particular quality 体现某种特质的人或物: A limousine is a byword for luxury. 高级轿车是奢侈的代名词。
2 (especially US 尤为美) a word or phrase that is often used 口头禅