1A day on which a state occasion takes place (now historical and rare).
2A public holiday in a state; a day on which an event is held in honour of a particular state.
Late 17th century.
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。