A day devoted to studying; (now) especially a day-long meeting, seminar, etc., held for the study of a particular topic or subject.
Mid 17th century; earliest use found in Thomas White (d. 1676), Roman Catholic priest and philosopher.
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。