Calendar

a table or register with the days of each month and week in a year:
He marked the date on his calendar.
any of various systems of reckoning time, especially with reference to the beginning, length, and divisions of the year.
Compare Chinese calendar, Gregorian calendar, Hindu calendar, Jewish calendar, Julian calendar, Muslim calendar.
a list or register, especially one arranged chronologically, as of appointments, work to be done, or cases to be tried in a court.
a list, in the order to be considered, of bills, resolutions, etc., brought before a legislative body.
Obsolete. a guide or example.
to enter in a calendar; register.
Contemporary Examples

Brooklyn’s Museum of Death: Inside Morbid Anatomy’s House of Intriguing Horrors Nina Strochlic July 9, 2014
‘Naked Rowers’ Pose For Charity To Help Fight Homophobia William O’Connor, Justin Jones October 23, 2013
Inside an Oklahoma Abortion Clinic Allison Yarrow January 21, 2013
‘Circle of Animals’: Sculptures of a Silenced Artist Lizzie Crocker May 4, 2011
Michelle Obama’s Biggest Fashion Regret; LVMH Launches Contest for Emerging Designers The Fashion Beast Team November 20, 2013

Historical Examples

A Spring Walk in Provence Archibald Marshall
Our Common Insects Alpheus Spring Packard
Home Occupations for Boys and Girls Bertha Johnston
Mizora: A Prophecy Mary E. Bradley
Our Little Swedish Cousin Claire M. Coburn

noun
a system for determining the beginning, length, and order of years and their divisions See also Gregorian calendar, Jewish calendar, Julian calendar, Revolutionary calendar, Roman calendar
a table showing any such arrangement, esp as applied to one or more successive years
a list, register, or schedule of social events, pending court cases, appointments, etc
verb
(transitive) to enter in a calendar; schedule; register
n.