- (n.) An orderly arrangement of the division of time, adapted to the purposes of civil life, as years, months, weeks, and days; also, a register of the year with its divisions; an almanac.
- (n.) An orderly list or enumeration of persons, things or events; a schedule; as, a calendar of state papers; a calendar of bills presented in a legislative assembly; a calendar of causes arranged for trial in court; a calendar of a college or an academy.
- (v.t.) To enter or write in a calendar; to register.
- (n.) A tabular statement of the dates of feasts, offices, saints' days, etc., especially of those which are liable to change yearly according to the varying date of Easter.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). calendar. Retrieved September 23, 2026, from http://smartdefine.org/calendar/definitions/1983887 |
| Chicago | Webster's. 2011. "calendar" http://smartdefine.org/calendar/definitions/1983887 (accessed September 23, 2026). |
| Harvard | Webster's 2011, calendar, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/calendar/definitions/1983887>. |
| MLA | Webster's. "calendar" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/calendar/definitions/1983887> |