Noah Webster
Calendar
CALENDAR, noun
1. A register of the year, in which the months, weeks, and days are set down in order, with the feasts observed by the church, etc.; an almanack. It was so named from the Roman Calendoe, the name given to the first day of the month, and written, in large letters, at the head of each month. [See Calends.]
2. A list of prisoners in the custody of the sheriff.
3. An orderly table or enumeration of persons of things. Calendar-month, a solar month as it stands in Almanacks.
CALENDAR, verb transitive To enter or write in a calendar