Related topics: Chronology
ˌmovable ˈfeast noun [countableC] British EnglishBrE 1. informalDL something that happens at different times, so that you are not sure exactly when it will happen 发生时间不固定的事
2. TMCa special religious day, such as Easter, the date of which changes each year 日期不固定的宗教节日〔如复活节〕