Maundy Thursday
noun [ U ] uk/ˌmɔːn.di ˈθɜːz.deɪ/ us/ˌmɑːn.di ˈθɝːz.deɪ/
（基督教）濯足节，圣星期四
the Thursday before Easter, the day in the Christian religion when people remember the Last Supper (= the meal that Jesus Christ ate with his friends the night before he died)