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Added 9 October 2026

calendar

/ˈkæl.ən.də/ noun

In Latin: fastī Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about calendar at Wordnik → Where our words come from →

Any system by which time is divided into days, weeks, months, and years.
The three principal calendars are the Gregorian, Jewish, and Islamic calendars.
A means to determine the date consisting of a document containing dates and other temporal information.
Write his birthday on the calendar hanging on the wall.
A list of planned events.
The club has a busy calendar this year.

verb

To set a date for a proceeding in court, usually done by a judge at a calendar call.
The judge agreed to calendar a hearing for pretrial motions for the week of May 15, but did not agree to calendar the trial itself on a specific date.
To enter or write in a calendar; to register.

Origin

From Middle English kalender, from Old French calendier, from Latin calendarium (“account book”), from kalendae (“the first day of the month”), from kalō (“to announce solemnly, to call out (the sighting of the new moon)”), from Proto-Indo-European *kelh₁-. Doublet of calendarium. Displaced native Old English rīmbōc and ġerīmbōc.

From Wiktionary, via Kaikki.org (CC BY-SA)

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