Meaning of DAY in English


I. ˈdā noun

( -s )

Etymology: Middle English, from Old English dæg; akin to Old High German tag day, Old Norse dagr, Gothic dags, Old English dōgor day, Old Norse dœgr, dœgn twelve-hour period, day, night; all probably from a prehistoric Germanic blend of a form or forms akin to Sanskrit ahn-, ahar twelve-hour period, day, night and a form or forms akin to Latin fovēre to warm, Greek tephra ashes, Sanskrit dahati he burns

1. : the time of light or interval between one night and the next : the time between sunrise and sunset or from dawn to darkness

2. : the period of the earth's rotation on its axis ordinarily divided into 24 hours, measured by the interval between two successive transits of a celestial body over the same meridian, and taking a specific name from that of the body — see solar day , mean solar day , sidereal day


a. : civil day

b. among most modern nations : the mean solar day of 24 hours beginning at mean midnight


a. : a day set aside for a particular purpose

rent day

Monday is wash day

b. sometimes capitalized

(1) : a date on which some notable event occurred or on which the occurrence of a notable event is celebrated

your wedding day

New Year's Day

(2) : a particular day that is identified by reference to or that is commonly associated with some unique historical event

Pearl Harbor Day

c. : the conflict or contention of the day

he was confident he could carry the day

d. archaic : one's set day of the week or month for receiving callers

e. Scotland : today — used with the

f. sometimes capitalized : a date on which some major event is expected to occur — used with the

socialists of the eighties and nineties who … yearned for The Day — E.R.Bentley

5. : daylight

at the break of day


a. : the period of the existence or prominence of a person or thing : age — usually used in plural

in the days of sailing ships

b. : the term of one's career, activity, or life : lifetime

grandfather's stories about sports in his day

: the time during which one's life continues — used in plural

the general's last days


a. : a unit of distance traversed in an ordinary day's travel

a ship two days out of port

b. : a unit consisting of the labor or output of one individual in one day

8. obsolete

a. : a period of grace especially for debtors

b. : a space of time


a. : the hours or the daily recurring period established by usage or law for work

an 8-hour day

b. : a trading session on an exchange

a 3,000,000-share day

c. : a conventional unit for calculating pay of railroad employees based on hours worked and distance run

10. : a division of a window : light

11. : the time required by a celestial body in turning once on its axis

the moon's day is 27 solar days

12. : the surface of the ground over a mine

- day after day

- day in, day out

- from day to day

- this day week

- without day

II. transitive verb

( -ed/-ing/-s )

archaic : to measure by the day

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.