n. & v.
n. 1 a system by which the beginning, length, and subdivisions of the year are fixed. 2 a chart or series of pages showing the days, weeks, and months of a particular year, or giving special seasonal information. 3 a timetable or programme of appointments, special events, etc.
v.tr. register or enter in a calendar or timetable etc. calendar month (or year) see MONTH, YEAR. calendric adj. calendrical adj.
[ ME f. AF calender, OF calendier f. L calendarium account-book (as CALENDS) ]