day (noun)
1: 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" [syn: twenty-four hours, solar day, mean solar day]
2: 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"
3: 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" [syn: daytime, daylight] [ant: night]
4: a day assigned to a particular purpose or observance; "Mother's Day"
5: 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"
6: 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"
7: a period of opportunity; "he deserves his day in court"; "every dog has his day"
8: 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?"
9: the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day [syn: sidereal day]
10: United States writer best known for his autobiographical works (1874-1935) [syn: Day, Clarence Day, [[Clarence Shepard Day Jr.]]]