day

plural days · alternative obsolete daie · alternative obsolete daye

1. The time when the Sun is above the horizon and it lights the sky.

   day and night;  I work at night and sleep during the day.

   1 more example

   The day was cool and snappy for August, and the Rise all green with a lavish nature. Now we plunged into a deep shade with the boughs lacing each other overhead, and crossed dainty, rustic bridges over the cold trout-streams,[…].

   1897 December (indicated as 1898), Winston Churchill, chapter VIII, in The Celebrity: An Episode, New York, N.Y.: The Macmillan Company; London: Macmillan & Co., Ltd., →OCLC

   Synonyms: daylight, daylight, daylength, daytime, photoperiod · Antonyms: night, night, nightertale, nighttide, nighttime, scotoperiod, skotoperiod

2. A period of time equal or almost equal to a full day-night cycle, being 24 hours long.

   I've been here for two days and a bit.

   2 more examples

   Holonyms: week < megasecond < fortnight < month < year < gigasecond < century < kiloannum, kiloyear, millennium < terasecond < mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond < quettasecond

   Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond < attosecond < femtosecond < picosecond < nanosecond < microsecond < millisecond < centisecond < decisecond < second < decasecond < minute < hectosecond < kilosecond < hour

   Synonyms: twenty-four hour day, 24-hour day, nychthemeron

   1. The time taken for the Sun to seem to be in the same place in the sky twice; a solar day.

      Synonyms: twenty-four hour day, 24-hour day, nychthemeron

   2. The time taken for the Earth to make a full rotation about its axis with respect to the fixed stars; a sidereal day or stellar day.

      Synonyms: twenty-four hour day, 24-hour day, nychthemeron

3. informalclimatologyA 24-hour period beginning at 6am or sunrise.

   Your 8am forecast: The high for the day will be 30 and the low, before dawn, will be 10.

4. A period of time between two set times which mark the beginning and the end of day in a calendar, such as from midnight to the following midnight or (Judaism) from nightfall to the following nightfall.

   The day begins at midnight.

   1 more example

   Monday is the first day of the week in many countries of the world.

5. astronomyThe rotational period of a planet.

   A day on Mars is slightly over 24 hours.

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   Radio emissions indicate that a Neptunian day lasts 16.1 hours, an hour and a half shorter than previously thought.

   1990 August, Rick Gore, “Neptune: Voyager's Last Picture Show”, in National Geographic, volume 178, number 2, page 39

6. The part of a day period which one spends at one’s job, school, etc.

   I worked two days last week.

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   “[…]if you call my duds a ‘livery’ again there'll be trouble. It's bad enough to go around togged out like a life saver on a drill day, but I can stand that 'cause I'm paid for it. What I won't stand is to have them togs called a livery.[…]”

   1913, Joseph C[rosby] Lincoln, chapter VII, in Mr. Pratt’s Patients, New York, N.Y.; London: D[aniel] Appleton and Company, →OCLC

7. An observance lasting for a day, such as an annual holiday.

   Christmas Day

   1 more example

   Remembrance Day

8. A day set aside for a specified activity.

   leg day, moving day, observation day

9. A specified time or period; time, considered with reference to the existence or prominence of a person or thing; age; time; era.

   every dog has its day; in that day; back in the day; in those days

   3 more examples

   This new-comer was a man who in any company would have seemed striking.[…]Indeed, all his features were in large mold, like the man himself, as though he had come from a day when skin garments made the proper garb of men.

   1910, Emerson Hough, chapter I, in The Purchase Price: Or The Cause of Compromise, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC

   If they had no more food than they had had in Jones's day, at least they did not have less.

   1943 November – 1944 February (date written; published 1945 August 17), George Orwell [pseudonym; Eric Arthur Blair], Animal Farm […], London: Secker & Warburg, published May 1962, →OCLC

   In his senior year, he had run across an old '66 Chevy Super Sport headed for the junkyard, bought it for a song, and overhauled it with his dad's help, turning it into the big red muscle car it was back in its day.

   2011, Kat Martin, A Song for My Mother^([200]), Vanguard Press, →ISBN

   Synonyms: era, epoch, age, cycle, epoch, era, generation, Great Year

10. A period of contention of a day or less.

    The day belonged to the Allies.

present singular third person days · participle present daying · participle past dayed · past dayed · alternative obsolete daie · alternative obsolete daye

1. intransitiverareTo spend a day (in a place).

   I nighted and dayed in Damascus town[.]

   1885, Richard F. Burton, chapter XXIII, in The Book of the Thousand Nights and a Night, volume I, The Burton Club, page 233

1. A surname originating as a patronymic derived from a medieval diminutive of David.
2. An English surname originating as an occupation from day as a word for a "day-servant", an archaic term for a day-laborer, or from given names such as Dagr, Daug, Dege, and Dey, cognate with Scandinavian Dag.
3. A surname from Irish can be found as both Day and O'Day from Ó Deághaidh (“descendant of a person named Good Luck”).
4. A number of places in the United States:
   1. An unincorporated community in Modoc County, California.
   2. A census-designated place and unincorporated community in Lafayette County, Florida.
   3. A township in Montcalm County, Michigan.
   4. An unincorporated community in Isanti County, Minnesota.
   5. An unincorporated community in Taney County, Missouri.
   6. A town in Saratoga County, New York.
   7. A town in Marathon County, Wisconsin.

1. A Mbum-Day language of Chad.