1A day on which admittance to a place is permitted or recorded.
2(In certain U.S. states) the anniversary of accession to the United States of America (usually with capital initials).
Mid 18th century; earliest use found in London & Environs Described.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。