Definitions for daydeɪ

Random House Webster's College Dictionary

daydeɪ(n.)

the interval of light between two successive nights; the time between sunrise and sunset.
the light of day; daylight.
a division of time equal to 24 hours and representing the average length of the period during which the earth makes one rotation on its axis. a division of time equal to the time elapsed between two consecutive returns of the same terrestrial meridian to the sun. a division of time equal to 24 hours but reckoned from one midnight to the next.
Category: Astronomy
Ref: Also called mean solar day.; Also called solar day.
an analogous division of time for a planet other than the earth:
the Martian day.
Category: Astronomy
the portion of a day allotted to work:
an eight-hour day.
(often cap.) a day having a particular purpose or observance:
New Year's Day.
a time considered as propitious or opportune:
His day will come.
Often, days. a particular era:
in olden days.
Usu., days. period of life or activity:
His days are numbered.
period of existence or influence; heyday:
In my day we called them “hepcats.”
the contest or battle at hand:
to win the day.

Idioms for day:

call it a day,to stop working for the rest of the day.
Category: Idiom
day in, day out, every day without fail; regularly. Also, day in and day out.
Category: Idiom

Origin of day:

bef. 950; ME; OE dæg

Princeton's WordNet

day, twenty-four hours, twenty-four hour period, 24-hour interval, solar day, mean solar day(noun)
time for Earth to make a complete rotation on its axis
"two days later they left"; "they put on two performances every day"; "there are 30,000 passengers per day"
day(noun)
some point or period in time
"it should arrive any day now"; "after that day she never trusted him again"; "those were the days"; "these days it is not unusual"
day(noun)
a day assigned to a particular purpose or observance
"Mother's Day"
day, daytime, daylight(noun)
the time after sunrise and before sunset while it is light outside
"the dawn turned night into day"; "it is easier to make the repairs in the daytime"
day(noun)
the recurring hours when you are not sleeping (especially those when you are working)
"my day began early this morning"; "it was a busy day on the stock exchange"; "she called it a day and went to bed"
day(noun)
an era of existence or influence
"in the day of the dinosaurs"; "in the days of the Roman Empire"; "in the days of sailing ships"; "he was a successful pianist in his day"
day(noun)
the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis
"how long is a day on Jupiter?"
sidereal day, day(noun)
the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
day(noun)
a period of opportunity
"he deserves his day in court"; "every dog has his day"
Day, Clarence Day, Clarence Shepard Day Jr.(noun)
United States writer best known for his autobiographical works (1874-1935)

Kernerman English Learner's Dictionary

day(noun)ɪ
one of the seven parts of a week
Feed the fish twice a day.; Mel left the next day.; I'll be back in a few days.
dayɪ
the time during a day when you are doing work or activities
an exhausting day at work; a long day of traveling; I spent all day trying to fix my computer.; How was your day?
dayɪ
≠ night
animals that sleep during the day
dayɪ
a past or future time
the early days of movie making
dayɪ
at some time in the future
One day you'll understand what I mean.
dayɪ
at some time in the past
One day she brought home a kitten.
dayɪ
at some time in the near future
One of these days I'm going to buy one for myself.
dayɪ
at some time in the future
Some day I'll be a grownup!
dayɪ
in the recent past
I saw Lauren the other day.
dayɪ
at a time in the past
dayɪ
repeated for many days
The noise continued day after day.
dayɪ
in the present time in history
Kids these days don't know how to work.
dayɪ
to make sb feel very happy
Your email made my day!
dayɪ
indicates you want sb to hurry
Come on, we don't have all day!

Wiktionary

day(Noun)
Any period of 24 hours.
I've been here for 2 and a bit days.
day(Noun)
A period from midnight to the following midnight.
The day begins at midnight.
day(Noun)
Rotational period of a planet (especially earth).
A day on Mars is slightly over 24 hours.
day(Noun)
The part of a day period which one spends at oneu2019s job, school, etc.
I worked two days last week.
day(Noun)
Part of a day period between sunrise and sunset where one enjoys daylight, daytime.
day(Noun)
A specified time or period; time, considered with reference to the existence or prominence of a person or thing; age; time.
Every dog has its day.
day(Noun)
A period of contention of a day or less.
The day belonged to the Allies.
day(Verb)
To spend a day (in a place).
Day(ProperNoun)
A Mbum-Day language of Chad.

Webster Dictionary

Day(noun)
the time of light, or interval between one night and the next; the time between sunrise and sunset, or from dawn to darkness; hence, the light; sunshine
Day(noun)
the period of the earth's revolution on its axis. -- ordinarily divided into twenty-four hours. It is measured by the interval between two successive transits of a celestial body over the same meridian, and takes a specific name from that of the body. Thus, if this is the sun, the day (the interval between two successive transits of the sun's center over the same meridian) is called a solar day; if it is a star, a sidereal day; if it is the moon, a lunar day. See Civil day, Sidereal day, below
Day(noun)
those hours, or the daily recurring period, allotted by usage or law for work
Day(noun)
a specified time or period; time, considered with reference to the existence or prominence of a person or thing; age; time
Day(noun)
(Preceded by the) Some day in particular, as some day of contest, some anniversary, etc