Definition Of day
a particular period of the past; an era.
the laws were very strict in those days
a period of twenty-four hours as a unit of time, reckoned from one midnight to the next, corresponding to a rotation of the earth on its axis.
There ought to be twenty-nine days in every month, not just leap year Februaries.
carried out during the day as opposed to the evening or at night.
my day job
Example Of day
A call centre has been set up to deal with any problems before the event and on the day of the walk.
A special word of thanks is sent to all our volunteers who made this day a major success.
A spokesman from the music and arts service said the day was a great success.
After a hard day at the office they couldn't possibly be expected to cook for themselves, could they?
Apart from being fascinated by the size of the space, the event was a huge day of realisation for a lot of us.