n.
Pronunciation: ' d ā
Function: noun
Etymology: Middle English, from Old English dæg; akin to Old High German tag day
Date: before 12th century
1 a : the time of light between one night and the next b : DAYLIGHT 1 c : DAYTIME
2 : the period of rotation of a planet (as earth) or a moon on its axis
3 : the mean solar day of 24 hours beginning at mean midnight
4 : a specified day or date
5 : a specified time or period : AGE <in grandfather's day > ― often used in plural <the old day s > <the day s of sailing ships>
6 : the conflict or contention of the day <played hard and won the day >
7 : the time established by usage or law for work, school, or business
– day after day : for an indefinite or seemingly endless number of days
– day in, day out : for an indefinite number of successive days