1. (

• day ,
• twenty-four_hours ,
• twenty-four_hour_period ,
• 24-hour_interval ,
• solar_day ,
• mean_solar_day

) 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" ;

2. (

• day ,

) 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. (

• day ,

) a day assigned to a particular purpose or observance; "Mother's Day" ;

4. (

• day ,
• daytime ,
• daylight

) 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" ;

5. (

• day ,

) 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. (

• day ,

) 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. (

• day ,

) 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?" ;

8. (

• sidereal_day ,
• day ,

) the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day ;

9. (

• day

) a period of opportunity; "he deserves his day in court"; "every dog has his day" ;

10. (

• Day ,
• Clarence_Day ,
• Clarence_Shepard_Day_Jr.

) United States writer best known for his autobiographical works (1874-1935) ;