calendar

I. noun Etymology: Middle English calender, from Anglo-French or Medieval Latin; Anglo-French kalender, from Medieval Latin kalendarium, from Latin, moneylender's account book, from kalendae calends Date: 13th century 1. a system for fixing the beginning, length, and divisions of the civil year and arranging days and longer divisions of time (as weeks and months) in a definite order — see month table 2. a tabular register of days according to a system usually covering one year and referring the days of each month to the days of the week 3. an orderly list: as a. a list of cases to be tried in court b. a list of bills or other items reported out of committee for consideration by a legislative assembly c. a list or schedule of planned events or activities giving dates and details 4. British a university catalog II. transitive verb (-dared; calendaring) Date: 15th century to enter in a calendar