Meaning & Definition of Day in English

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"

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. A day assigned to a particular purpose or observance

• "Mother's day"

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

9. A period of opportunity

• "He deserves his day in court"

• "Every dog has his day"

10. United states writer best known for his autobiographical works (1874-1935)